Which equation has the correct sign on the product? A. 90(-3) = 270
B. (-4)(-9) = -36
C. 52. 2 = 104
D. (-12)10 = 120

B.

Step-by-step explanation:

A positive times a negative number equals a negative number, but a negative times a negative equals a positive number

options a,b,c are the right answer.

step-by-step explanation:

a linear parent function is always represented as y = x

if we write this function in the form of y=mx+c

⇒

or  

now if we plot a graph we will find these characteristics:

1) y intercept of the graph is zero so its a straight line passing through origin.

2) as we can see in both the forms of function written, values of x and y may be either positive or negative for the positive slope means points on the graph are either in first quadrant or in third one.

3) it's slope is one.