which of the following quadratic equations can be used solved easily by extracting square roots?
a.x2+7x+12=0
b.2w2+7w-3=0
c.4t2-9=0
d.3v2+2v-8=8
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Answer:
C.
Step-by-step explanation:
4t²-9=0
4t²=9
√4t²=√9
2t=3
t=3/2
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