Question

BlacIf w = -2 and v = -8, which of the following expressions shows the values correctly substituted in for the variables in the expression w2 - v + 1?

(-2) 2 - (-8) + 1
(-2) 2 - (8) + 1
-2 2 - (-8) + 1
-2 2 - 8 + 1

Answer 1

Given that w=-2 and v=-8

The expression is w²-v+1

Now putting the value of w=-2 and v=+8 in the given expression, we get

(-2)²-(-8)+1

Hence, (-2)²-(-8)+1 is the right answer.

Answer 2

-2² - (-8) + 1

Explanation:

The values given are:

w = -2 and v = -8

Expression given:

w² - v + 1

When we substitute, we put a certain value in place of another. In an equation, variables are used as placeholders.

For this problem:

w = -2

v = -8

So;

-2² - (-8) + 1