Quiz about Week 5 Student Practice Set (Term 1)

Question 1

[FACTORING QUADRATICS when b = 0]

Which of the following is a factor of $$x^2-81?$$

Accepted Answer

(x - 9)

Answer

(x - 81)

Answer

(x + 81)

Answer

(x + 1)

Question 2

Which of the following is a factor of $$4x^2-25?$$

Accepted Answer

$$\left(2x+5\right)$$

Answer

$$\left(x\ -\ 5\right)$$

Answer

$$\left(2x\ -25\right)$$

Answer

$$\left(x+5\right)$$

Question 3

Which of the following is NOT a factor of $$2x^2-32?$$

Accepted Answer

16

Answer

2

Answer

(x - 4)

Answer

(x + 4)

Question 4

[SOLVE QUADRATIC EQUATIONS]

For what values of x does $$x^2-10\ =\ 26$$ ?

Accepted Answer

$$x=\pm6$$

Answer

$$x=\pm4$$

Answer

x = 3

Answer

x = 4

Question 5

What are the solutions of this equation (x + 4)(x - 7) = 0?

Accepted Answer

x = -4, x = 7

Answer

x = -4, x = -7

Answer

x = 4, x = 7

Answer

x = 4, x = -7

Question 6

x = -1 and x = 7 are solutions to which of the following equations?

Accepted Answer

$$x^{2\ }-6x\ -7=0$$

Answer

$$x^2-7\ =\ 42$$

Answer

$$x^2+2x+7=0$$

Answer

$$x^{2\ }+6x\ +7=0?$$

Question 7

Which of the following is a solution to x² + 4x -12 = 0?

Accepted Answer

2

Answer

1

Answer

3

Answer

6

Question 8

For what values of x does $$5x^2-9x-2=0$$ ?

Accepted Answer

$$x=2,\ x=-\frac{1}{5}$$

Answer

$$x=2,\ x\ =\ 5$$

Answer

$$x=-2,\ x\ =\ 5$$

Answer

$$x=1,\ x=-\frac{3}{2}$$

Question 9

10 less than a number squared is equal to thirty nine. What are all the solutions of the resulting equation?

Accepted Answer

x = -7, x = 7

Answer

x = -7

Answer

x = 7

Answer

x = -7, x = 1

Question 10

[TRANSLATE QUADRATIC EXPRESSIONS]

The product of two consecutive positive even numbers is 24. What is the larger number of the two?

Accepted Answer

6

Answer

3

Answer

4

Answer

8

Question 11

If each side of a square patio is increased by 4 feet, the new area of the patio would be 196 square feet. What is the original length of each side of the patio?

Accepted Answer

10 feet

Answer

14 feet

Answer

8 feet

Answer

12 feet

Question 12

A rectangle of width w and length one more than the width has an area of 12 sq feet. What is the value of w in feet?

Accepted Answer

3

Answer

2

Answer

4

Answer

6

Question 13

[GEOMETRY]

Find the area of the figure.

Accepted Answer

$$15x^2$$

Answer

$$17x^2$$

Answer

$$24x-3x$$

Answer

$$17x$$

Question 14

What is the volume of shown rectangular prism?

Accepted Answer

The volume is 384 cubic inches.

Answer

The volume is 48 cubic inches.

Answer

The volume is 96 cubic inches.

Answer

The volume is 240 cubic inches.

Question 15

What is the volume of the shown cylinder in cubic cm?

Accepted Answer

$$54\pi$$

Answer

$$18\pi$$

Answer

$$108\pi$$

Answer

$$9\pi$$

Question 16

[WORD PROBLEMS]
Coby has 1.8 liters of water. He wants to divide it among 3 containers. How many milliliters will each container hold? (1 liter = 1000 ml)

Accepted Answer

600

Answer

300

Answer

0.6

Answer

800

Question 17

A square with side length of 12 inches is enlarged such that the new length is 15 inches and the

new width is 20 inches. How much area has been added in the new figure?

Accepted Answer

156 sq in

Answer

40 sq in

Answer

60 sq in

Answer

300 sq in

Question 18

The number of flowers in the first row is 10. A gardernor plants 6 rows of flowers and each row has 3 more flowers than the previous row. How many total flowers are there?

Accepted Answer

105

Answer

30

Answer

60

Answer

180

Question 19

A border for a garden needs 420 feet of fencing. The supply store sells fencing panels in sections

of $$12\frac{1}{2}$$ feet each. How many fencing panels should be bought?

Accepted Answer

34

Answer

20

Answer

33

Answer

35

Question 20

[CONVERSIONS AND COMPARISONS]

Convert .384 to a percent

Accepted Answer

38.4%

Answer

384%

Answer

.00348%

Answer

3.84%

Question 21

Convert 56% to a decimal

Accepted Answer

.56

Answer

56

Answer

5.6

Answer

.056

Question 22

$$45\%,\ \ .38,\ \ \frac{1}{5},\ \frac{3}{\ 10}$$

Which of the following correctly orders these values from least to greatest?

Accepted Answer

$$\frac{1}{5},\frac{3}{10},\ 0.38,\ 45\%,\ \ $$

Answer

$$45\%,\ 0.38,\ \frac{1}{5},\ \frac{3}{10}$$

Answer

$$0.38,\ 45\%,\ \ \frac{1}{5},\ \frac{3}{10}$$

Answer

$$\frac{3}{10},\ \frac{1}{5},\ 0.38,\ 45\%$$

Question 23

[PERCENTS WORD PROBLEMS]

The monthly budget for the front garden of your house is $500. You spent 9% of the budget on fertilizer. How much did you spend on fertilizer?

Accepted Answer

$45

Answer

$90

Answer

$50

Answer

$75

Question 24

If there are 80 registered dogs in Lakeside, how many MORE of them are Labrador Retrievers than Bulldogs?

Accepted Answer

12

Answer

20

Answer

8

Answer

15

Question 25

A teacher asked his class of 20 students their ages. Their responses are shown in the line plot, with each x indicating a student of that age. What percent of the students are older than 17?

Accepted Answer

$$10\%$$

Answer

$$25\%$$

Answer

$$20\%$$

Answer

$$15\%$$

Question 26

A coat is on sale for 15% off of the original price of p dollars. Which of the following represents the price of the coat after the discount, in terms of p?

Accepted Answer

0.85p

Answer

15p

Answer

0.15p

Answer

85p

Week 5 Student Practice Set (Term 1)

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