If p(x) =5x²-3x+7,then p(1) equals to[ a] -10 [b]9 [c]-9[d]10
Answers
Answered by
3
Answer:
(B) 9
Step-by-step explanation:
Put x = 1
P(1) = 5(1)^2-3(1)+7
= 5(1)-3+7
= 5-3+7
= 2+7
= 9
Answered by
1
Answer:
p(x)=5x^2-3x+7
1. 5x(10)^2-3(10)+7
500-30+7
470+7
477
2. 5x(9)^2-3(9)+7
405-27+7
378+7
385
3. 5x(-9)^2-3(-9)+7
405+27+7
412+7
419
4. 5x(-10)^2-3(-10)+7
500+30+7
530+7
537
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