Please help! Use the labeled point to write a point-slope form for the line.
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The point-slope form of the line is

What does the sign of the slope tell you about a line?

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b

The point a is at –2 and the point b is at 7. marissa would like to divide this line segment in a 4: 3 ratio, and she would like to use the formula x = (x2 – x1) + x1. what values should she substitute into the formula? a = a + b = x1 = x2 =