Help Please!
Quiz Solving with Square Roots and Quadratic Formula
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Answer:
Step-by-step explanation:
1.)
10p² - 7 = 243
10p² = 250
p² = 25
p = ±5 (meaning p can both equal -5,5)
2.)
9b²+9 = 684
9b² = 675
b² = 75
b = ±√75
= ± 5√3