## What is the minimum value of 9 cos x?

(A)–9

(B)–2

(C)0

(D)2

(E)9

The Correct Answer

Explanation

Which of the following is NOT a factor of 4*x*^{2}*y*^{4}– 12*x*^{3}*y*^{2}– 8xy^{3}?

(F) 2*x*^{2}(G) 2xy^{2}(H) –2y(J) 4*y*^{2}(K) 4xy

**Correct Answer: F**

If Ryan traveled 20 miles in 4 hours and Jeff traveled twice as far in half the time, what was Jeff's average speed, in miles per hour?

（A）80 （B） 40 （C） 20 （D） 10 （E） 5

**Correct Answer: C**

Disregarding sales tax, how much will you save when you buy a $12.00 video that is on sale for 20% off?

（A）$0.24 （B） $0.48 （C） $1.20 （D） $2.40 （E） $3.60

**Correct Answer: D**

### More ACT Math Exam Questions

- 1
If you add up 5 consecutive odd integers that are each greater than 15, what is the smallest possible sum?

- 2Erin and Amy are playing poker. At a certain point in the game, Erin has 3 more chips than Amy. On the next hand, Erin wins 4 chips from Amy. Now how many more chips does Erin have than Amy?
- 3If |6-2x| > 9, which of the following is a possible value of x?
- 4If x is any number other than 3 and 6, then
- 5 Find the value of x