30% is a way to express the fraction 30/100 = 3/10
So, 30% of 80 is
Answer:
<h3>The correct answer is <u>D: -30</u></h3>
Answer:
12
Step-by-step explanation:
because 3x4 is 12
Using the numbers in the given equation:
a =-2, b = 6 and c = -5
The vertex form is written as : a(x+d)^2 + e
we need to find d and e:
d = b/2a = 6/2(-2) = -3/2
e = c-b^2/4a = -5 - 6^2/4(-2) = -1/2
Now substitute the letters for their values in the vertex form formula above:
-2(x-3/2)^2 -1/2
The vertex is (3/2, -1/2)
2. The formula begins with a negative number ( -2) so the Parabola opens downwards.
3. To find the intercept replace x with 0 and solve for y:
the intercept is (0,-5)
