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JULIEMAEGANTIAOIN
Answered

ACTIVITY
A.find the value of each polynomial if x=3
1.x2+3x-8
2.-4x2-6x+6
3.-3x3-2x-7
B.find the value of each polynomial if x=-2
1.x2+3x+11
2.-2x3+9x-5
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Sagot :

TSUKI7212IN

Answer:

1) x2 + 3x - 8

(3) 2 + 3 (3) - 8

6 + 9 - 8

15 - 8

= 7

2) -4x2 - 6x + 6

-4(3)2 - 6(3) + 6

-24 - 18 + 6

-42 + 6

= -36

3) -3(3)3 - 2(3) - 7

- 27 - 6 - 7

-33 - 7

= -40

B.

1) (-2) 2 + 3 (-2) + 11

-4 - 6 + 11

-10 + 11

= 1

2) -2(-2)3 + 9(-2) - 5

12 - 18 - 5

- 6 -5

= -11

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