Free Printable Review May 10/11 assignment - MUST SHOW WORK

1.

Which of the following statements is true about the dataset below?

$\left\{2,\ 7,\ 8,\ 9,\ 7,\ 6,\ 4,\ 6,\ 2,\ 5\right\}$

a)

There is only one mode.

b)

The median is larger than the mean.

c)

The mean is larger than the median.

d)

The mean and the median are equal.

2.

The formula for the volume of the right circular

cylinder shown is $V=\pi r^2h$ .

If $r=2b$ , and $h=5b+3$ , what is the volume of the cylinder in terms of $b$ ?

a)

$10\pi b^2+6\pi b$

b)

$20\pi b^3+12\pi b^2$

c)

$20\pi^2b^3+12\pi^2b^2$

d)

$50\pi b^3+20\pi b^2+90\pi b$

3.

Which of the following is NOT equivalent to $\left(3x-12\right)\left(x+4\right)$ ?

a)

$3\left(x^2-8x+16\right)$

b)

$3\left(x^2-16\right)$

c)

$3x^2-48$

d)

$3x\left(x+4\right)-12\left(x+4\right)$

4.

If y = x and y = 4, then what is (x + y)² ?

a)

0

b)

16

c)

25

d)

64

5.

If xy + 12 = 6x + 7 , find y if x = 5.

a)

6/5

b)

5

c)

9

d)

30

6.

If $x-20=3x-20$ , what is $x^2-3$

a)

0

b)

3

c)

-3

d)

-20

7.

The length of a rectangle is 3 less than twice the width. The perimeter of the rectangle is 30. What is the width of the rectangle?

a)

w = 5

b)

w = 6

c)

w = 9

d)

w = 10

8.

Joey can eat 3 hamburgers in 1.85 minutes. How long would it take him to eat 11 hamburgers?

a)

7.4 minutes

b)

17.8 minutes

c)

6.7 minutes

d)

20.3 minutes

9.

Alex's porch has a length and width of 12 feet each. He wants to paint the porch with a water sealant that costs $35 per square foot. However, his wife wants him to change the length of the porch to 14 feet. What would the difference in cost of applying sealant be if Alex does extend his porch length?

a)

$665

b)

$600

c)

$5040

d)

$840

10.

The new wireless headphones cost $280 at Target. However, they sold out everywhere. Now they're back in stock but now they're increased by 20%. What's the new price? (Note you should know how to solve this if asked for a decrease).

a)

$300

b)

$336

c)

$224

d)

$320

11.

Solve: $x^2-x-12$

a)

{3, -4}

b)

{-3, 4}

c)

{6, -2}

d)

{-6, 2}

12.

Given two fair coins were flipped at the same time, what is the probability that they both land on heads?

a)

1/4

b)

1/2

c)

0

d)

1/8

Review May 10/11 assignment - MUST SHOW WORK - 10 POINTS FOR 70

Total questions: 12

Worksheet time: 7mins

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