Question

Question 17 of 25

After being rearranged and simplified, which equation cannot be solved using
the quadratic formula?
O A. 5x2 – 3x+ 10 = 2x2
B. 2x2 – 3x + 10 = 2x2 + 21
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O c. x2 - 6x- 7 = 2x
O D. 2x - 4 = 2x2
SUBMIT

Answer 1

B. 2x2 – 3x + 10 = 2x2 + 21

Explanation:

2x2 – 3x + 10 = 2x2 + 21

Subtract 2x^2 from each side

2x2- 2x^2 – 3x + 10 = 2x2 + 21-2x^2

-3x+10 = 21

This is a linear equation and does not use the quadratic equation to solve

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