## Which of the following is NOT the graph of a function

(A)

(B)

(C)

(D)

(E)

Greg is making a triangular sail for a boat, shaped like a right triangle and shown below.

Sail material costs $8.99 for 150 square feet. If the material can be purchased in any quantity, which of the following is closest to the cost in dollars of the material needed to fill the area of the sail as shown?

(F) $360.00 (G) $280.00 (H) $200.00 (J) $180.00 (K) $25.00

**Correct Answer: J**

What is the slope of any line perpendicular to the line 5x - 4y = -12 in the standard (x, y) coordinate plane?

（A）-4 （B） （C） （D） （E）

**Correct Answer: C**

On the number line shown below, t, u, v, w, x, y, and z are coordinates of the indicated points. Which of the following is closest in value to |w - u|?

（A）t （B） v （C） x （D） y （E） z

**Correct Answer: B**

### More ACT Math Exam Questions

- 1The length of arc XY of a circle is equal to of the circumference of the circle. The length of the arc is 7π inches. What is the radius, in inches, of the circle?
- 2As shown here, Xs are arranged in a triangular pattern by adding two Xs to each additional row. If n = number of rows, which of the following properly describes the total number of Xs in the triangular pattern for any value of n?
- 3
*Eldridge opened a savings account with an initial balance of $1,000. After that, every month for 8 months, she made one deposit to the account, always for the same amount. During that time, she made just one withdrawal.*If each of Eldridge’s 8 deposits was in the amount of $200 and her withdrawal was $350, how much money did her account have at the end of 8 months?

- 4
If log9

*n*= and n > 0, what is the value of ? - 5If x
^{2}- 45b^{2}= 4xb, what are the 2 solutions for x in terms of b?