Which of the following are equal to the expression below?
square root of 40/2
a. square root of 10
b. 20
c. square root of 20
d. square root of 40/4

State one method by which you can recognize a perfect square trinomial.

Which best describes the function on the graph? direct variation; k = −2 direct variation; k = -1/2 inverse variation; k = −2 inverse variation; k = -1/2

Apply the distributive property to simplify the expression. −4(5x + 2)