What is the perimeter of quadrilateral *STUR* if it has vertices with (*x*,*y*) coordinates *S*(0,0), *T*(2,-4), *U*(6,-6), *R*(4,-2) ?

(F) 2

(G) 2 + 2

(H) 8

(J) 80

(K) 400

The Correct Answer

Explanation

The following figure shows f(x), which includes points L,M,and nplus the line segments and . Which of the following functions is equivalent to f(x)?

(A) f(x+ 6)(B) f(x– 6)(C) f(6 – x)(D) –f(x+ 6)(E) –f(x– 6)

**Correct Answer: C**

The expression is equivalent to:

（A）3z^{5}
（B） 8z^{5}
（C） 3z^{8}
（D） 8z^{8}
（E） 8z^{12}

**Correct Answer: C**

If , then a=

(A) (B) b(C) b^{2}(D) b^{4}(E) b^{8}

**Correct Answer: C**

### More ACT Math Exam Questions

- 1In the standard (x,y) coordinate system, circle O has its center at (4,-3) and a radius of 12 units. Which of the following is an equation of the circle?
- 2
Carla has 5 times as many notebooks as her brother does. If they have 42 notebooks between them, how many notebooks does Carla have?

- 3A square and a regular pentagon (a 5-sided polygon with congruent sides and interior angles) have the same perimeter. One side of the pentagon measures 20 inches. How many inches long is one side of the square?
- 4In the figure below, all line segments that intersect are perpendicular. Using only the segments and vertices in the figure, how many distinct rectangles are there with areas less than the area of ADLI? (Note: If 2 rectangles have all four vertices in common, then they are not distinct.)
- 5If then x = ?