Quadratics
Does x2 - 3x -7 open up or down?
Up
Factor x2 + 5x + 6
(x+2)(x+3)
What is the transformation called when you enlarge an image?
Dilation
What is the word for a 3-sided geometric shape?
Triangle
What makes a triangle a right triangle?
The triangle must include a 90 degree angle.
What is the y-intercept of f(x) = 2x2 + 3x -5?
y = -5
Factor x2 -2x -24
(x - 6)(x + 4)
If the rule states (x - 3, y + 5), where would the point (-6, 4) be after it was translated?
(-9, 9)
What is the trig ratio for opposite over adjacent?
200
5
What is the vertex of x2 + 6x - 3?
(-3, -12)
Factor 6x2 - 5x - 4
(2x + 1)(3x - 4)
Rotate the point (-3, 6) 90 degrees counterclockwise. Where is it located now?
(-6, -3)
What is the name of the side in a right triangle that is opposite the right angle?
Hypotenuse
300
8
Use the quadratic formula to find the zeros of
g(x) = x2 - 5x + 1.
Round to nearest tenth.
x = -.2 and x = -4.8
Factor x2 + x = 30
(x - 5)(x + 6)
What is the new point for (3.6, -4.8) if you scale it by .5?
(1.8, -2.4)
When we say two sides of a figure have equal measure, we say the two sides are __________.
congruent
400
5.4
Use the quadratic formula to find the zeros of
k(x) = x2 + 4x + 8
x = -2 + 2i and x = -2 -2i
What are the zeros for x2 - 9x + 18?
x = 3 and x = 6
If (-2.5, -5) is transformed and ends up on (-5.5, 3), what was the translation rule?
(x - 3, y + 8)
What kind of function is f(x) = x2 + 3x - 4?
Quadratic
500
30 degrees