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Two polygons are similar. A side of length 5 corresponds to a side of length 15. Another side of the small polygon has length 9. Find the matching side of the large one.
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$y$ is proportional to $x$ . When $x = 2$ , $y = 10$ . Find the constant of proportionality $k$ in $y = kx$ .
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A circle has a diameter of 26 cm. Find its circumference (exact, in terms of π).Not to scale
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What is 50% of 340?
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Compute $7 + (-16)$ .
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Write $7(x - 3)$ without parentheses. What is the constant term?
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An angle measures $33^\circ$ . What is its complement (degrees)?
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Two fair dice are rolled. Find the probability that the sum is 2.
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On a map, 1 cm represents 9 km. Two towns are 6 cm apart on the map. How far apart are they in reality (km)?
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The graph of a proportional relationship passes through $(5, 40)$ . What is $y$ when $x = 1$ ?
A figure has an area of 10 cm². A scaled copy uses a scale factor of 6. What is the area of the copy (cm²)?
A train travels 21 miles in 3 minutes at a constant speed. How far does it travel in 12 minutes?
Find the area of a circle with radius 3 cm (exact, in terms of π).Not to scale
A 160-dollar jacket's price goes up by 40%. What is the new price (dollars)?
Compute $(-6) \cdot 7$ .
Solve $3x + 3 = -18$ . $x = \;?$
Can three sticks of lengths 8, 9 and 18 cm form a triangle?
1. No: the two shorter sticks are too short to meet
2. Yes: any three lengths make a triangle
3. Only as a right triangle
Can three sticks of lengths 9, 2 and 12 cm form a triangle?
1. No: the two shorter sticks are too short to meet
2. Yes: any three lengths make a triangle
3. Only as a right triangle
Can three sticks of lengths 5, 4 and 10 cm form a triangle?
1. No: the two shorter sticks are too short to meet
2. Yes: any three lengths make a triangle
3. Only as a right triangle
Can three sticks of lengths 6, 8 and 15 cm form a triangle?
1. No: the two shorter sticks are too short to meet
2. Yes: any three lengths make a triangle
3. Only as a right triangle
Can three sticks of lengths 6, 4 and 11 cm form a triangle?
1. No: the two shorter sticks are too short to meet
2. Yes: any three lengths make a triangle
3. Only as a right triangle
Can three sticks of lengths 8, 7 and 16 cm form a triangle?
1. No: the two shorter sticks are too short to meet
2. Yes: any three lengths make a triangle
3. Only as a right triangle
Can three sticks of lengths 4, 5 and 10 cm form a triangle?
1. No: the two shorter sticks are too short to meet
2. Yes: any three lengths make a triangle
3. Only as a right triangle
Can three sticks of lengths 6, 3 and 10 cm form a triangle?
1. No: the two shorter sticks are too short to meet
2. Yes: any three lengths make a triangle
3. Only as a right triangle
Can three sticks of lengths 7, 8 and 16 cm form a triangle?
1. No: the two shorter sticks are too short to meet
2. Yes: any three lengths make a triangle
3. Only as a right triangle
Can three sticks of lengths 5, 2 and 8 cm form a triangle?
1. No: the two shorter sticks are too short to meet
2. Yes: any three lengths make a triangle
3. Only as a right triangle
Can three sticks of lengths 4, 8 and 13 cm form a triangle?
1. No: the two shorter sticks are too short to meet
2. Yes: any three lengths make a triangle
3. Only as a right triangle
Can three sticks of lengths 9, 9 and 19 cm form a triangle?
1. No: the two shorter sticks are too short to meet
2. Yes: any three lengths make a triangle
3. Only as a right triangle
Can three sticks of lengths 2, 5 and 8 cm form a triangle?
1. No: the two shorter sticks are too short to meet
2. Yes: any three lengths make a triangle
3. Only as a right triangle
Can three sticks of lengths 6, 2 and 9 cm form a triangle?
1. No: the two shorter sticks are too short to meet
2. Yes: any three lengths make a triangle
3. Only as a right triangle
Can three sticks of lengths 7, 9 and 17 cm form a triangle?
1. No: the two shorter sticks are too short to meet
2. Yes: any three lengths make a triangle
3. Only as a right triangle
Can three sticks of lengths 6, 6 and 13 cm form a triangle?
1. No: the two shorter sticks are too short to meet
2. Yes: any three lengths make a triangle
3. Only as a right triangle
Can three sticks of lengths 6, 5 and 12 cm form a triangle?
1. No: the two shorter sticks are too short to meet
2. Yes: any three lengths make a triangle
3. Only as a right triangle
Can three sticks of lengths 7, 2 and 10 cm form a triangle?
1. No: the two shorter sticks are too short to meet
2. Yes: any three lengths make a triangle
3. Only as a right triangle
Can three sticks of lengths 2, 8 and 11 cm form a triangle?
1. No: the two shorter sticks are too short to meet
2. Yes: any three lengths make a triangle
3. Only as a right triangle
Can three sticks of lengths 3, 2 and 6 cm form a triangle?
1. No: the two shorter sticks are too short to meet
2. Yes: any three lengths make a triangle
3. Only as a right triangle
Can three sticks of lengths 5, 8 and 14 cm form a triangle?
1. No: the two shorter sticks are too short to meet
2. Yes: any three lengths make a triangle
3. Only as a right triangle
Can three sticks of lengths 5, 6 and 12 cm form a triangle?
1. No: the two shorter sticks are too short to meet
2. Yes: any three lengths make a triangle
3. Only as a right triangle
Can three sticks of lengths 2, 4 and 7 cm form a triangle?
1. No: the two shorter sticks are too short to meet
2. Yes: any three lengths make a triangle
3. Only as a right triangle
Can three sticks of lengths 3, 7 and 11 cm form a triangle?
1. No: the two shorter sticks are too short to meet
2. Yes: any three lengths make a triangle
3. Only as a right triangle
Can three sticks of lengths 9, 3 and 13 cm form a triangle?
1. No: the two shorter sticks are too short to meet
2. Yes: any three lengths make a triangle
3. Only as a right triangle
Can three sticks of lengths 8, 4 and 13 cm form a triangle?
1. No: the two shorter sticks are too short to meet
2. Yes: any three lengths make a triangle
3. Only as a right triangle
Can three sticks of lengths 8, 3 and 12 cm form a triangle?
1. No: the two shorter sticks are too short to meet
2. Yes: any three lengths make a triangle
3. Only as a right triangle
Can three sticks of lengths 2, 7 and 10 cm form a triangle?
1. No: the two shorter sticks are too short to meet
2. Yes: any three lengths make a triangle
3. Only as a right triangle
Can three sticks of lengths 3, 8 and 12 cm form a triangle?
1. No: the two shorter sticks are too short to meet
2. Yes: any three lengths make a triangle
3. Only as a right triangle
Can three sticks of lengths 4, 6 and 11 cm form a triangle?
1. No: the two shorter sticks are too short to meet
2. Yes: any three lengths make a triangle
3. Only as a right triangle
Can three sticks of lengths 3, 3 and 7 cm form a triangle?
1. No: the two shorter sticks are too short to meet
2. Yes: any three lengths make a triangle
3. Only as a right triangle
Can three sticks of lengths 9, 7 and 17 cm form a triangle?
1. No: the two shorter sticks are too short to meet
2. Yes: any three lengths make a triangle
3. Only as a right triangle
Can three sticks of lengths 7, 6 and 14 cm form a triangle?
1. No: the two shorter sticks are too short to meet
2. Yes: any three lengths make a triangle
3. Only as a right triangle
Can three sticks of lengths 5, 9 and 15 cm form a triangle?
1. No: the two shorter sticks are too short to meet
2. Yes: any three lengths make a triangle
3. Only as a right triangle
Can three sticks of lengths 8, 5 and 14 cm form a triangle?
1. No: the two shorter sticks are too short to meet
2. Yes: any three lengths make a triangle
3. Only as a right triangle
Can three sticks of lengths 7, 4 and 12 cm form a triangle?
1. No: the two shorter sticks are too short to meet
2. Yes: any three lengths make a triangle
3. Only as a right triangle
Can three sticks of lengths 8, 8 and 17 cm form a triangle?
1. No: the two shorter sticks are too short to meet
2. Yes: any three lengths make a triangle
3. Only as a right triangle
Can three sticks of lengths 7, 7 and 15 cm form a triangle?
1. No: the two shorter sticks are too short to meet
2. Yes: any three lengths make a triangle
3. Only as a right triangle
Can three sticks of lengths 3, 9 and 13 cm form a triangle?
1. No: the two shorter sticks are too short to meet
2. Yes: any three lengths make a triangle
3. Only as a right triangle
Can three sticks of lengths 9, 6 and 16 cm form a triangle?
1. No: the two shorter sticks are too short to meet
2. Yes: any three lengths make a triangle
3. Only as a right triangle
Can three sticks of lengths 9, 5 and 15 cm form a triangle?
1. No: the two shorter sticks are too short to meet
2. Yes: any three lengths make a triangle
3. Only as a right triangle
Can three sticks of lengths 4, 9 and 14 cm form a triangle?
1. No: the two shorter sticks are too short to meet
2. Yes: any three lengths make a triangle
3. Only as a right triangle
Can three sticks of lengths 6, 7 and 14 cm form a triangle?
1. No: the two shorter sticks are too short to meet
2. Yes: any three lengths make a triangle
3. Only as a right triangle
Can three sticks of lengths 2, 9 and 12 cm form a triangle?
1. No: the two shorter sticks are too short to meet
2. Yes: any three lengths make a triangle
3. Only as a right triangle
Can three sticks of lengths 6, 9 and 16 cm form a triangle?
1. No: the two shorter sticks are too short to meet
2. Yes: any three lengths make a triangle
3. Only as a right triangle
Can three sticks of lengths 2, 2 and 5 cm form a triangle?
1. No: the two shorter sticks are too short to meet
2. Yes: any three lengths make a triangle
3. Only as a right triangle
Can three sticks of lengths 7, 5 and 13 cm form a triangle?
1. No: the two shorter sticks are too short to meet
2. Yes: any three lengths make a triangle
3. Only as a right triangle
Can three sticks of lengths 4, 2 and 7 cm form a triangle?
1. No: the two shorter sticks are too short to meet
2. Yes: any three lengths make a triangle
3. Only as a right triangle
Can three sticks of lengths 3, 5 and 9 cm form a triangle?
1. No: the two shorter sticks are too short to meet
2. Yes: any three lengths make a triangle
3. Only as a right triangle
Can three sticks of lengths 9, 8 and 18 cm form a triangle?
1. No: the two shorter sticks are too short to meet
2. Yes: any three lengths make a triangle
3. Only as a right triangle
A fair coin lands heads 7 times in a row. What is the probability of heads on the next toss?
1. 1/2: the coin has no memory
2. Less than 1/2: tails is due
3. More than 1/2: heads is on a streak
A fair coin lands heads 5 times in a row. What is the probability of heads on the next toss?
1. 1/2: the coin has no memory
2. Less than 1/2: tails is due
3. More than 1/2: heads is on a streak
A fair coin lands heads 10 times in a row. What is the probability of heads on the next toss?
1. 1/2: the coin has no memory
2. Less than 1/2: tails is due
3. More than 1/2: heads is on a streak
A fair coin lands heads 6 times in a row. What is the probability of heads on the next toss?
1. 1/2: the coin has no memory
2. Less than 1/2: tails is due
3. More than 1/2: heads is on a streak
A fair coin lands heads 8 times in a row. What is the probability of heads on the next toss?
1. 1/2: the coin has no memory
2. Less than 1/2: tails is due
3. More than 1/2: heads is on a streak
A fair coin lands heads 9 times in a row. What is the probability of heads on the next toss?
1. 1/2: the coin has no memory
2. Less than 1/2: tails is due
3. More than 1/2: heads is on a streak
A polygon has perimeter 20. It is enlarged by a scale factor of 5. Find the new perimeter.
For $x = 1, 2, 3$ , which list of $y$ -values makes a proportional relationship?
1. $6, 12, 18$
2. $7, 8, 9$
3. $6, 12, 24$
For $x = 1, 2, 3$ , which list of $y$ -values makes a proportional relationship?
1. $9, 18, 27$
2. $10, 11, 12$
3. $9, 18, 36$
For $x = 1, 2, 3$ , which list of $y$ -values makes a proportional relationship?
1. $4, 8, 12$
2. $5, 6, 7$
3. $4, 8, 16$
For $x = 1, 2, 3$ , which list of $y$ -values makes a proportional relationship?
1. $7, 14, 21$
2. $8, 9, 10$
3. $7, 14, 28$
For $x = 1, 2, 3$ , which list of $y$ -values makes a proportional relationship?
1. $5, 10, 15$
2. $6, 7, 8$
3. $5, 10, 20$
For $x = 1, 2, 3$ , which list of $y$ -values makes a proportional relationship?
1. $2, 4, 6$
2. $3, 4, 5$
3. $2, 4, 8$
For $x = 1, 2, 3$ , which list of $y$ -values makes a proportional relationship?
1. $8, 16, 24$
2. $9, 10, 11$
3. $8, 16, 32$
For $x = 1, 2, 3$ , which list of $y$ -values makes a proportional relationship?
1. $3, 6, 9$
2. $4, 5, 6$
3. $3, 6, 12$

Answers

$27$
$5$
$26 \pi$
$170$
$-9$
$-21$
$57$
$\frac{1}{36}$
$54$
$8$
$360$
$84$
$9 \pi$
$224$
$-42$
$-7$
No: the two shorter sticks are too short to meet
1/2: the coin has no memory
$100$
$6, 12, 18$