Question

What is the vertex of the graph of y = −2x2 + x + 3?

Answer 1

a. ordered pair 1 over 4 comma 25 over 8
b. ordered pair negative 1 over 4 comma 27 over 8
c. ordered pair 1 over 4 comma 27 over 8
d. ordered pair negative 1 over 4 comma 25 over 8

Answer 2

use the formula
\(\tt{x=\dfrac{-b}{2a}}\)

Answer 3

-1/-4?

Answer 4

so x = 1/4

Answer 5

now put 1/4 for all of the x's into the equation to find y

Answer 6

.25 + 1/4 + 3

Answer 7

3.5?

Answer 8

3.125

Answer 9

which in fraction form is 25/8

Answer 10

wouldnt it be (1/4, 27/8)

Answer 11

no 27/8 = 3.375 not 3.125

Answer 12

or 25/8?

Answer 13

25/8

Answer 14

thank you!

Answer 15

yw :)