How is the rate of change in a real-world linear relationship related to the slope-intercept form of the equation that represent
1 answer:
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To solve this system by substitution, first isolate x in the second equation.
Now, plug this expression (
Now that you have y, plug it into the second equation and solve for x.
Last step is to plug your x- and y-values in to both equations to check your work.
Answer:
Given:
The given expression is:
According to Kylie,
To find:
The correct statement for Kylie's explanation.
Solution:
We have,
According to the perfect square trinomial .
Kylie did not understand that this is a perfect square trinomial, and she did not determine the product correctly.
Therefore, the correct option is C.