Sketch the graph of 4 x squared + 25 x minus 21 using your graphing calculator. What are the x-intercepts of this graph? a. Negative three-fourths, 7 b. Three-fourths, negative 7 c. Negative three-fourths, negative 7 d. Three-fourths, 7 Please select the best answer from the choices provided A B C D

Which equation can be used to solve for the unknown number? seven less than a number is thirteen. n-7=13 7-n=13 n+7=13 n+13=7

1c-2 m405 what values are needed to make each expression a perfect square trinomial? 32 + 2x+ 2-20x + 22+5x+

Simonne used the following steps to simplify the given expression. 12 - 3(-2x + 4) step 1: 12 + (–3)·(–2x) + (–3)·(4) step 2: 12 + 6x + (–12) step 3: 12 + (–12) + 6x step 4: 0 + 6x step 5: 6x what property of real numbers was used to transition from step 3 to step 4? a. identity property of addition b. inverse property of addition c. associative property of addition d. commutative property of addition