Math Placement Exam Study Guide.
Convert radians to degrees - answerRadians • 180 degrees/pi radians
Convert degrees to radians - answerDegrees • pi radians/180 degrees
Find radian measure of an angle - answerTheta=s/r when central angle is given
Arc=r•theta when arc length is given
Radi...
Same equation line - answer✔✔Infinite solutions
Dependent
Consistent
Parabola that intersects x-axis at two points - answer✔✔Two solutions
Parabola that intersects x-axis at one point - answer✔✔One solution
Parabola that intersects x-axis at no points - answer✔✔No solution
Parabola that intersects at the origin - answer✔✔Infinite solutions
K in vertex form - answer✔✔K units up or down
H in vertex form - answer✔✔Shifts h units right or left
Vertex in vertex form - answer✔✔(H,K)
-a in vertex form - answer✔✔Reflects across horizontal axis
a>1 - answer✔✔Stretches vertically(narrow)
a<-1 - answer✔✔Flips and stretches vertically
-1<a<1 - answer✔✔Shrinks vertically (widen)
Convert quad function to vertex form when a is not =1 - answer✔✔1. Factor coefficient from
first term but leave out the k
2.add square of half of b to b and subtract from k
3. Include a by multiplying a by square of half of by that's subtracted from k
4. Factor perfect trinomial
5. Simplify into vertex form
Convert quad function to vertex form when a=1 - answer✔✔2.add square of half of b to b and
subtract from k
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