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Need help with this math problem please!

Need help with this math problem please!-example-1
User Gulay
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Answer:

The top one is: 1/2x + 6

The bottom one is: -2x + 5

Explanation:

The top function:

f(x) = mx + b

m is the slope and b in the y-intercept. This is what you need to write the function.

The slope is 1/2. The slope is the rise over the run. If you start at the point (-6,3) and go up one unit and 2 units to the right, you end up back on the line. This is the slope. If you follow that pattern, you will cross the y axis at (0,6). 6 is the y intercept.

The bottom function:

The slope is -2. I you start at the point (1,3) and you go down 2 and one to the right, you will end up back on the line. 2/1 equals 2.

If you follow that pattern going backwards, 2 up and one to the left, you will be at the y-intercept (0,5) 5 is the y-intercept.

User Ratchet Freak
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