Question

Verify whether the indicated values of the variables are zeros of the polynomial corresponding to them in the following cases: (i) 5x2 -1; x = (ii) 2x2 − – x –1; x = 1; x = 1 5 , 2 5 − 1 2

Answer 1

Answer:

5×2-1=9

2×2-1=3

1×15=15

25-12=13

Answer 2

Answer:

5×2-1 = 9

2×2-1=3

1×15=15

25-12=13

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