Chapter 2: Introduction to Linear Polynomials
Chapter 2: Introduction to Linear Polynomials
Exercise
Question
Question: 2 (i)
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Find the values of the following polynomials at the indicated values of the variables.
(i) 5x^2 - 3x + 7 if x = 1
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Answer
1
Substitute x = 1 into the polynomial and simplify.
\text{5 × (${color:#2E2EFF}1{/color}$)^2 - 3 × (${color:#2E2EFF}1{/color}$) + 7}
⇒
$5 - 3 + 7$
⇒
$2 + 7$
⇒
$9$
2
Write the value of the polynomial.
Answer: 9