# ACT Math FREE Sample Practice Questions

Preparing for the ACT Math test? To do your best on the ACT Math test, you need to review and practice real ACT Math questions.  There’s nothing like working on ACT Math sample questions to hone your math skills and put you more at ease when taking the ACT Math test. The sample math questions you’ll find here are brief samples designed to give you the insights you need to be as prepared as possible for your ACT Math test.

Check out our sample ACT Math practice questions to find out what areas you need to practice more before taking the ACT Math test!

Start preparing for the 2021 ACT Math test with our free sample practice questions. Also, make sure to follow some of the related links at the bottom of this post to get a better idea of what kind of mathematics questions you need to practice.

## 10 Sample ACT Math Practice Questions

1- Which of the following has the same period and two times the amplitude of graph
$$y =$$ cos $$x?$$

A. $$y=$$cos $$2x$$

B. $$y=$$cos$$(x+2)$$

C. $$y=4$$cos⁡$$2x$$

D. $$y=2+2$$ cos$$x$$

E. $$y=4+$$cos $$x$$

2- Which of the following shows the numbers in increasing order?

A. $$\frac{2}{3},\frac{8}{11},\frac{5}{7},\frac{3}{4}$$

B. $$\frac{2}{3},\frac{5}{7},\frac{8}{11},\frac{3}{4}$$

C. $$\frac{5}{7},\frac{3}{4},\frac{8}{11},\frac{2}{3}$$

D. $$\frac{8}{11},\frac{3}{4},\frac{5}{7},\frac{2}{3}$$

E. None of them above

3- What’s the maximum ratio of the number of women to number of men in each city?

A. 0.98

B. 0.97

C. 0.96

D. 0.95

E. 0.94

4- What’s the ratio of the percentage of men in city A to percentage of women in city C?

A. $$\frac{10}{9}$$

B. $$\frac{9}{10}$$

C. 1

D. $$\frac{19}{20}$$

E. $$\frac{20}{19}$$

5- How many women should be added to city D to change the ratio of women to men to 1.2?

A. 130

B. 129

C. 132

D. 131

E. 133

6- In 1999, the average worker’s income increased $2,000 per year starting from$24,000 annual salary. Which equation represents income greater than average? ($$I =$$ income, $$x =$$number of years after 1999)

A. $$I > 2000 x + 24000$$

B. $$I > – 2000 x + 24000$$

C. $$I < –2000 x + 24000$$

D. $$I < 2000 x – 24000$$

E. $$I < 24,000 x + 24000$$

7- What are the values of mode and median in the following set of numbers?
$$1,2,2,5,4,4,3,3,3,1,1$$

A. Mode: 1, 2 Median: 2

B. Mode: 1, 3 Median: 3

C. Mode: 2, 3 Median: 2

D. Mode: 1, 3 Median: 2.5

E. Mode: 3, Median: 3

8- If $$60\%$$ of $$x$$ equal to $$30\%$$ of 20, then what is the value of $$(x+5)^2$$?

A. 25.25

B. 26

C. 26.01

D. 2025

E. 225

9- In the xy-plane, the point $$(4,3)$$ and $$(3,2)$$ are on line A. Which of the following equations of lines is parallel to line A?

A. $$y=3x$$

B. $$y=10$$

C. $$y=\frac{x}{2}$$

D. $$y=2x$$

E. $$y=x$$

10- When point A $$(10, 3)$$ is reflected over the y-axis to get the point B, what are the coordinates of point B?

A. $$(10, 3)$$

B. $$(-10, -3)$$

C. $$(-10, 3)$$

D. $$(10, -3)$$

E. $$(0, 3)$$

## Best ACT Math Prep Resource for 2021

1- D
The amplitude in the graph of the equation $$y=a$$cos$$bx$$ is a. ($$a$$ and $$b$$ are constant)
In the equation $$y=$$cos$$x$$, the amplitude is 2 and the period of the graph is $$2π$$.
The only option that has two times the amplitude of graph $$y =$$cos $$x$$ is $$y=2+2$$ cos $$x$$
They both have the amplitude of 2 and period of $$2π$$.

2- B
$$\frac{2}{3}≅0.67,\frac{8}{11}≅0.73,\frac{5}{7}≅0.71,\frac{3}{4}=0.75$$

3- B
ratio of A: $$\frac{570}{600}=0.95$$
ratio of B: $$\frac{291}{300}=0.97$$
ratio of C: $$\frac{665}{0.95}=0.95$$
ratio of D: $$\frac{528}{550} =0.96$$

4- E
First find percentage of men in city A and percentage of women in city C.
Percentage of men in city A =$$\frac{600}{1170}$$ and percentage of women in city C =$$\frac{665}{1365}$$
Find the ratio and simplify.
$$\frac{\frac{600}{1170}}{\frac{665}{1365}}=\frac{20}{19}$$

5- C
$$\frac{528+x}{550}==1.2→528+x=660→x=132$$

6- A
Let $$x$$ be the number of years. Therefore, $2,000 per year equals 2000$$x$$. starting from$24,000 annual salary means you should add that amount to 2000$$x$$.
Income more than that is:
$$I > 2000 x + 24000$$

7- B
We write the numbers in the order: $$1, 1, 1, 2, 2, 3, 3, 3, 4, 4, 5$$
The mode of numbers is: 1 and 3, median is: 3

8- E
$$0.6x=(0.3)×20→x=10→(x+5)^2=(15)^2=225$$

9- E
The slop of line A is: m$$= \frac{y_2-y_1}{x_2-x_1}=\frac{3-2}{4-3}=1$$
Parallel lines have the same slope and only choice E $$(y=x)$$ has slope of 1.

10- C
When points are reflected over $$y$$-axis, the value of $$y$$ in the coordinates doesn’t change and the sign of $$x$$ changes. Therefore, the coordinates of point B is $$(-10,3)$$.

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