Use the formula 0 = b^2-4ac
0 = -b^2-4(2)(-9)
0 = -b^2+72
b^2 = 72
b = square root of 72
b = 2 real numbers
<span>87 degrees
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5ft (i’m just typing because i need more characters)
It is 3. Because a square root is anything times itself to make an answer. For example:
We need to substituter the values for the variables. 2(8)(2)/(6), or 32/6, or 5.3333
