Question

5. Find the value of the polynomial 6r2+8r-4 when r=-1.​

Answer 1

Answer:

-6

Step-by-step explanation:

putting r = -1 in the polynomial,

[6 x (-1)²] + (8 x -1) -4

(6 x 1) + (-8) -4

6 -8 - 4

6 - 12

-6

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Answer 2

Answer:

-6

Step-by-step explanation:

6*(-1)²+8(-1)-4

6-8-4

-2-4

-6