1. The expression ax^2 + bx takes the value 6 when x = 1 and 10 when x = 2. Find its values when x = 5
Answers
Answer:
Expression: ax² + bx
Step-by-step explanation:
a(5)² + b(5)
=25a + 5b
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Concept:
An algebraic expression in mathematics is an expression which is formed from variables and constants, together with algebraic operations (addition, subtraction, etc.).
Given:
we are given an expression takes the worth
when
and
when
.
Find:
we have to search out the worth when
Solution:
Let us take the given expression as . ....(1)
When then
and substitute these values in given expression, we get
......(2)
When then
and substitute these values in given expression, we get
.......(3)
Now, we'll simplify equation (2) and (3), we get
Further, substitute the worth in equation (2), we get
Furthermore, Substitute the values and
in equation (1), we get
......(4)
Now, we'll find the worth when in equation (4), we get
Hence, the worth when is
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