Solve the ff. QUADRATIC EQUATIONS BY EXTRACTING SQUARE ROOTS. With checking
1. 2s(squared)=50
2. 3h(squared)-147 =0
3.(k+7) (squared) = 289
1. 2s(squared)=50
2. 3h(squared)-147 =0
3.(k+7) (squared) = 289
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2s²/2 = 50/2
√s² = √25
s = +5 and -5
2.
3h² - 147 = 0
3h²/3 = 147/3
√h² = √49
h = +7 and -7
3.
√(k+7)² =√ 289
k+7 = +17 and - 17
Eq. 1:
k + 7 = 17
k = 17- 7
k = 10
Eq. 2:
k + 7 = -17
k = -17 - 7
k = -24