F(x) = x² + 4x - 12
x = -b/2a
x = -(4)/2(1)
x = -4/2
x = 2
f(x) = x² + 4x - 12
f(2) = (2)² + 4(2) - 12
f(2) = 4 + 8 - 12
f(2) = 12 - 12
f(2) = 0
The vertex of the function is (2,0).
Answer: Rosie is incorrect because she needs to do the exponent before subtracting.
Answer
False
FalseThe correct point slope form passing through points (x1,y1) is (y-y1)=m (x-x1)(y−y1)=m(x−x1)
Answer:
72 of 45 is 160%
Step-by-step explanation:
72 of 45 can be written as:

To find percentage, we need to find an equivalent fraction with denominator 100. Multiply both numerator & denominator by 100


Therefore, the answer is 160%
If you are using a calculator, simply enter 72÷45×100 which will give you 160 as the answer.
Answer:
what did the triangle say to the circle? “You’re pointless”
Parallel lines have so much in common..... it’s a suene they’ll never meet.
I had an argument with a 90º angle. Turns out it was right.
Step-by-step explanation: