Question

Solve for y.

25 = y2

y =
or

Answer 1

Answer:

y=5 or y=−5 it does not matter either one

Step-by-step explanation:

25=y2

Step 1: Subtract y^2 from both sides.

25−y2=y2−y2

−y2+25=0

Step 2: Subtract 25 from both sides.

−y2+25−25=0−25

−y2=−25

Step 3: Divide both sides by -1.

−y2

−1

=

−25

−1

y2=25

Step 4: Take square root.

y=±√25

y=5 or y=−5

Answer 2

Answer:

Let's solve your equation step-by-step.

25 =  $y^{2}$

Step 1: Subtract y^2 from both sides.

25 − $y^{2}$ = $y^{2}$ − $y^{2}$

−$y^{2}$+ 25 = 0

Step 2: Subtract 25 from both sides.

−$y^{2}$+ 25 − 25 = 0 − 25

−$y^{2}$ = − 25

Step 3: Divide both sides by -1.

$y^{2}$  / −1  =  −25  / −1

$y^{2}$ =25

Step 4: Take square root.

y = ± √25

y = 5 or y = −5

Answer:

y = 5 or y = −5

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