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What is the slope formula?
(y2-y1)÷x2-x1 Pretend those are subscripts
Change the equation into slope intercept form: 2x-y=6
y=2x-6
Name the form of the equation: 2x-y=6
standard form
What is a y-intercept?
Where x=0 or where the line hits the y axis
What is the slope of the given line? y=-1/4x+45
-1/4
Justify this step: 2400(1)=2400
Multiplicative identity
Justify this step: 2(2x+8) 4x+16
Distributive
√-16
4i
i^16
i
What is the discriminant of the equation? 2x^2+2x Use the Formula
4
Find the roots of the equation 2x^2+2x=0
-1 and 0
What is the axis of symmetry for the parabola? 4x^2+16x-2
-2
1/2 ÷ 3/10 Don't forget to simplify
5/3
Factor Completely: 2x^2+7x-4
(x+4)(2x-1)
Name this formula: (-b±√b^2-4ac )/2a
Quadratic Formula