Solving for a variable
Solve for x. 22=11x
x=2
What is the standard form of a line?
Ax+By=C
What is the slope of this line? y=3x-1
3
Solve for x. 45+60x=165
x=2
What is the slope intercept form?
y=mx+b
Find the slope of the line that contains the points (85, 60) and (5, 100).
slope= -1/2
What is the solution? (x-4)(x+3)
x= 4, -3
What do the variables m and b mean in the slope intercept form?
m= slope
b= y-intercept
Find the slope of this equation. 12x+6y=36
slope= -2
Solve for x. x^2 - 2x - 15
x= 5, -3
How can you find slope from a graph?
rise/run
finding two points and doing (y2-y1)/(x2-x1)
Calculate the slope of a line given that (4,0) and (8,4) are on the line.
slope= 2