Home->ACT Math

In the standard (x,y) coordinate plane, which of the following is the equation of the line perpendicular to the line y = -2x + 2 and that passes through the point (0,-3)?

(A) y = -2x - 3

(B) y = -x + 2

(C) y = x -3

(D) y = x + 2

(E) y = 2x - 3

If y = 4, then |1 - y| = ?

(A) -5(B) -3(C) 3(D) 4(E) 5

Correct Answer: C

The circumference of a car tire is 75 inches. About how many revolutions does this car tire make traveling 225 feet (2,700 inches) without slipping?

(F) 3 (G) 14 (H) 36 (J) 225 (K) 432

Correct Answer: H

The day a clothing store puts out a batch of brand-name T-shirts it sells 95 shirts at $4.10 per shirt. However, each day the shirts are on the rack, the store reduces the price of the shirts by $0.02 and consequently sells 1 additional shirt with each price reduction. If x represents the number of $0.02 price reductions, which of the following expressions represents the amount of money, in dollars, that the store will take in daily in sales of these brand name T-shirts?

(A) (4.10 + 2x)(95 + x) (B) (4.10 - 2x)(95 + x) (C) (4.10 + 0.02x)(95 + x) (D) (4.10 - 0.02x)(95 + x) (E) (4.10-- 0.02x)(95 + 0.02x)

Correct Answer: D