Question

You are asked to graph a parabola on a coordinate plane given the equation y=−1/8x2+3/4x+7/8
. Fill in the missing value on the table for the coordinates of the parabola.(1 point)
Complete the Table for the Given Parabola
x-value y-value
−1
0
3 2
0
11 −6

Answer 1

Evaluate y = −(1/8)x^2 + (3/4)x + 7/8 for each x.

y(−1) = −1/8(1) + 3/4(−1) + 7/8 = 0
y(0) = 7/8
y(3) = −1/8(9) + 3/4(3) + 7/8 = 2
y(11) = −1/8(121) + 3/4(11) + 7/8 = −6

Completed table:
x-value | y-value
-1 | 0
0 | 7/8
3 | 2
11 | −6