ngpx123 ngpx123

19-09-2022
Mathematics

Answered

Copy and complete the table of values for
y = -2x² + 4x + 9.
What numbers replace A and B?

Copy and complete the table of values for y 2x 4x 9 What numbers replace A and B class=

Answer :

djp6182583 djp6182583

19-09-2022

Answer:

Below in bold.

Step-by-step explanation:

A = value of y when x = -1:

A = -2(-1)^2 + 4(-1) + 9

= -2*1 - 4 + 9

= -2 - 4 + 9

= 3.

B = value of y when x = 2:

B = -2(2)^2 + 4(2) + 9

= -2*4 + 8 + 9

= - 8 + 8 + 9

= 9.

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