Which of the following expressions is equivalent to 
?
(A) 9x + 5
(B) x + 45
(C) x + 5
(D) 6x
(E) 45x
In the standard (x,y) coordinate plane, point B with coordinates of (5,6) is the midpoint of line 
and point A has coordinates at (9,4). What are the coordinates of C?
（A）(13, 2) （B） (7, 5) （C） (1, 8) （D） (14,10) （E） (-1,-8)
Correct Answer: C
In the complex numbers, where 
, the conjugate of any value a + bi is a– bi.What is the result when you multiply 2 + 7i by its conjugate?
(A) 45(B) –45(C) 45i(D) 53(E) 53i
Correct Answer: D
If you multiply a number by 3 and then add 40, the result is the same as if you first add 17 and then multiply by 2. What is the result if you subtract 9 from the number and then multiply by 4?
(A) –60(B) –72(C) –84(D) –108(E) –124
Correct Answer: A
More ACT Math Exam Questions
- 1
When x = 3 and y = 5, by how much does the value of 3x2 – 2y exceed the value of 2x2 – 3y ?
- 2
What is the value of x if
? - 3
The coordinates of the vertices of
MON are shown in the standard (x,y) coordinate plane below. Rectangle MPQR is shown shaded. Point P lies on 
, point Q lies on 
, and point R lies on 
.
Which of the following is closest to the perimeter, in coordinate units, of
MON? - 4What is the least integer value of x that makes the inequality
true? - 5
The circle below has an area of 64π cm2. A central angle with measure 24° intercepts minor arc
. What is the length of minor arc , in centimeters?