solve for the variable of the following quadratic equations
A. by extracting square roots.
1.x²=169
2.9b²=25
3.(y-1)²=0
4.(x-2)²=16
5.(t-3)²-36=0
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solve for the variable of the following quadratic equations
A. by extracting square roots.
1.x²=169
2.9b²=25
3.(y-1)²=0
4.(x-2)²=16
5.(t-3)²-36=0
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Answer:
1.x²=169
Step 1: Take square root.
x=±√169
x=13 or x=−13
Answer:
x=13 or x=−13
2.9b²=25
9b²/9=25/9
b²=25/9
b=±√25/9
Answer:
b=1.666667,−1.666667
3.(y-1)²=0
y2−2y+1=−1+1
y2−2y+1=0
(y−1)2=0
y−1=±√0
y−1+1=1±√0
y=1±√0
Answer:
y=1+0, y=1−0
4.
Answer:
x=6,x=−2
5.
(t-3-6)(t-3+6)=0
(t-9)(t-3+6)=0
t-9=0
t+3=0
t=9
t=-3
Answer:
t=9,t=−3
Kung kaylangan mo ng solution sa 4 at 5 mag comment ka na lang mahirap kasi mag type..
Hindi rn ako sigurado sa no. 2 check mo na lng sa comment
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