10. which set of integers solves the equation x^2 =16
a. 4, -2
b. 4.-4
c. 2.8
d. -2, -8

What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9

What is the value of x when x + 7 = 21?

Choose the equation that represents the graph below: (1 point) graph of a line passing through points negative 3 comma 0 and 0 comma 3 y = x − 3 y = −x + 3 y = −x − 3 y = x + 3 will award !