Same question and answer as yours!
8.54. The last number is low so it can not round up to 5
40
+5
+6
.03
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= 51.03
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Answer:
B
Step-by-step explanation:
it's more like 10 points
Substitute 4 for y. Then -3x^2 + 16 = 52.
Solve for x. Subtract 16 from both sides, obtaining -3x^2 = 36.
Divide both sides by -3, obtaining x^2 = -12. This last result makes no sense, as no square of a real number could be negative. Probably this is where you're ":getting a negative answer."
If imaginary answers were allowed, then x = i*√12 = i*2√3 or x = -i*2√3.
x =
