When (2x + 4)2 is written in the format ax2 + bx + c, where a, b, and c are integers, what is the value of a + b - c?
(A) -20
(B) 4
(C) 20
(D) 32
(E) 36
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?
(A) 3(B) 4(C) 6(D) 8(E) 12
Correct Answer: C
In the real numbers, which of the following is the domain of the function 
?
(A) x≥3(B) x> 3(C) x< –3(D) –3 < x< 3(E) x< –3 or x> 3
Correct Answer: B
Is a 30 good on the ACT?
Absolutely! The ACT is scored on a scaled score ranging from 1 to 36. Anything over a 21 is considered as a good score.
More ACT Math Exam Questions
- 1
The percent P of a population that has completed 4 years of college is given by the function P(t) = -0.001t2 + 0.4t where t represents time, in years. What percent of the population have completed four years of college after 20 years, to the nearest tenth?
- 2
Paulette, Quentin, and Rosie each donated money to a charity. Paulette gave as much money as Quentin and Rosie gave together. If Quentin had given three times more than he gave, he would have given $40 more than Paulette. And if Rosie had given $20 less, she would have given half as much as Paulette. How much did Paulette give?
- 3
If pq+ 12 = 3p+ pr,and q– r= 7, what is the value of p?
- 4
- 5
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 
.
What is the slope of
MON?