ACT Math Practice Test

1. If 15% of n is 300, what is 22% of n?

2. What is the equation of a line that is perpendicular to y = 1/3 x + 9 and includes the point (3, 4)?

3. Two values of m satisfy the equation |5m– 11| – 3m= 9. What is the result when you multiply these two values together?

4. In the figure, what is the midpoint of ?

5. If f(x) = $$x^2\ +\ 9$$   and g(x) = 24 + 4x, what is the value of $$\frac{f\left(4\right)}{g\left(-1\right)}$$  ?

6. In the figure, what is the value of x in terms of y?

7. Two variables, v and w, are inversely proportional such that when v= 7, w= 14. What is the value of w when v= 2?

8. The ratio of adults to girls to boys on a class field trip was 1:4:5. If the trip included 6 more boys than girls, how many adults were with the group?

9. In the figure, line a and line b are parallel and pass through the points shown. What is the equation for line b?

10. A bag contains 7 black socks, 12 white socks, and 17 red socks. If you pick one sock at random from the bag, what is the probability that it will NOT be white?