Joey went to the Walmart and brought 5 skateboards. He spent a total of 115$. How much does each skateboard cost
2 answers:
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Answer:
Step-by-step explanation:
We are given the line y=2x+8. It is in slope-intercept form or y= mx+b, where m is the slope and b is the y-intercept.
The slope of the line is 2.
We want to find the equation that is perpendicular. Perpendicular lines have negative reciprocal slopes.
1. Negate
- Negate the slope, or switch the sign
- (+) 2 --> -2
2. Reciprocal
- Flip the numerator and denominator of the slope.
- -2/1 --> -1/2
The perpendicular slope is -1/2, so the correct equation must be B.
