For second one the answer is 14
Answer:
(-7)2 = -14
Step-by-step explanation:
The parenthesis basically mean "multiply". So, this is a simple equation meaning -7 x 2. And remember, anytime we multiply a positive by a negative, you get a negative. So, simply multiply 7 x 2 = 14 and add a negative sign to make the solution true. So, -7 x 2 or (-7)2 = -14
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Before you use the quadratic formula, you have to make sure the equation itself is a quadratic and that a and b are not 0.
Answer: A
Step-by-step explanation:
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