Question

decide whether the given number is a solution of the equation.

(2x^2 - 113 = 15); 8

is 8 a solution of the equation?
no
yes

Explanation:

Substitute the given value into the expression

$$ 2(8)^2 - 113 $$

Evaluate the exponent and multiplication

$$ 2(64) - 113 = 128 - 113 = 15 $$

Compare the result with the right side

$$ 15 = 15 $$

Answer:

• No
• Yes (Correct answer)