Archive for February, 2010

Math Help On Slopes

math help on slopes
Question: Finding the slope (Math Help)?

x | -3 | 3 | 6 | 15
y | 11 | 7 | 5 | -1

(The | separate the numbers, just saying.)

What is the slope of the line that passes through the points on the data table?

A. -3/11
B. -2/3
C. -3/2
D. -11/3

Answer: Use the slope formula with the smallest and the largest set of numbers

M = (y₂-y₁)/(x₂-x₁)

M = -1-11 / 15+3 = -12/18 = -2/3

Which is answer B

:)

Slope of a Line – YourTeacher.com – Algebra Help