1 pts
(09.04)
Joyce is trying to solve the equation y = x2 – 8x + 7 using the quadratic...
Mathematics, 22.05.2020 11:00 sonyfan
1 pts
(09.04)
Joyce is trying to solve the equation y = x2 – 8x + 7 using the quadratic formula. She has made an
error in one of the steps below. Find the step where Joyce went wrong.
-(8)V6852
Step 1:x=
- 4(1)(7)
2(1)
Step 2:x=
-(8) + V64 - 28
2(1)
Step 3:x=
-(8) + V36
2(1)
Step 4 x =
8 +6
2
(1 point)
Answers: 1
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