Answer:
B. 9.7
Step-by-step explanation:
√12²-7²=√144-49=√95=9.7
Which are the solutions of the quadratic equation?
Given: x2 = 7x + 4
x2 = 7x + 4
0 = -x2 + 7x + 4
Answer: x = (7 + √33) / 2
Answer: the middle
dd
