SOLUTION
Given the question in the image, the following are the solution steps to answer the question.
STEP 1: Write the given function

STEP 2: Plot the given function
STEP 3: choose the correct graph
It can be seen from the plotted graph in step 2 that:

Hence, comparing the x-intercepts, the correct graph is seen in:
To use the elimination method, you have to create variables that have the same coefficient, then you can eliminate them.
Hello,
Please, see the attached file.
Thanks.
Answer:
90 degrees is a right angle.
Step-by-step explanation:
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^ That would be a 90 degrees angle.
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Imagine this is a graph, that little square of the right would represent 90 degrees.
Angles less than 90 are acute angles, angles over 90 but under 180 degrees would be obtuse, and angles that are equal to 180 degrees are straight.