 Pinexam——There is royal road to learning.

## Amanda plans to paint the 4 walls of her bedroom with 1 coat of paint. The walls are rectangular, and each wall measures 12 feet by 14 feet. She will not paint either the 3-foot-by-4-foot rectangular window in her bedroom or the 3-foot-by-7-foot rectangular bedroom door. Amanda knows that each gallon of paint covers between 350 and 400 square feet. If only 1-gallon cans of paint are available, which of the following is the minimum number of cans of paint Amanda needs to buy to paint her bedroom walls?

(A)1

(B) 2

(C) 3

(D) 4

(E) 5

The Correct Answer

When graphed in the standard (x, y) coordinate plane, the graphs of y = x2 - 5 and y = x + 1 intersect at which of the following points?

（A）(-3, 2) and (2, 3) （B） (-3, 4) and (2, -1) （C） (3, -4) and (-2, 1) （D） (3, 4) and (-2, -1) （E） The graphs do not intersect.

Correct Answer: D

What value must be added to 9x2 - 30x in order to complete the square (that is, make it a perfect square trinomial)?

（A）-5 （B） 5 （C） 9 （D） 25 （E） 45

Correct Answer: D

The line with equation 5y - 4x = 20 does NOT lie in which quadrant(s) of the standard (x, y) coordinate plane below? (A) Quadrant I only (B) Quadrant II only (C) Quadrant III only (D) Quadrant IV only (E) Quadrants I and III only

Correct Answer: D