Question

Solve the equation:
4y2 + 7 = 19
(write your answer in exact form)

Answer 1

4y2 + 7 = 19

Explanation:

4y2 =19-7

4y2=12

4yx2=12

8y=12

dbs by 8

y=1.5 or 2

Answer 2

y2=3

Explanation:

4y2+7=19

Subtract 7 from both sides.

4y 2 =19−7

Subtract 7 from 19 to get 12.

4y2=12

Divide both sides by 4.

y2= 12/4

Divide 12 by 4 to get 3.

y2=3

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