Algebraic Formulas Flashcards
1
Q
Slope of a line containing points (x1,y1) and (x2,y2)
A
M= y2 - y1
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x2-x1
if x1 does not equal x2
2
Q
What is the slope intercept Form of the Equation of a Line?
A
Y =mx + b
The slope is m, and the y-intercept is b
3
Q
What is the Point-Slope Form of the Equation of a Line?
A
y-y1 = m(x-x1)
The slope is m, and point (x1,y1) is on the line.
4
Q
What is the quadratic formula?
A
x = -b +- sqrroot(b^2-4ac)
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2a
