Level 1
what is the slope in y=3x-2
3
what is the slope of a horizontal line
0
what slope is steeper
2 or -5
-5
what is the rate of change of the equation
y=-7x+9
-7
if a line is going up from left to right, is it positive or negative
positive
what is the y intercept in y=-2x+5
5
what type of function is the equation below
y=5(2)^x
exponential
what is the vertex of
y=(x-3)^2+7
(3,7)
a negative slope means the line is increasing or decreasing?
decreasing
what kind of function has a U-shaped graph? what is the graph called?
quadratic
parabola
Is the equation linear, quadratic, or exponential?
y=x^2+4x
quadratic
what form is the equation written in
y=a(x-h)^2+k
vertex form
does the equation open upwards or downwards
y=-x^2
downwards
which graph grows faster
quadratic or exponential
exponential
what is the y-intercept of a line that crosses the x-axis at 7 and the y-axis at -3
-3
is the equation increasing or decreasing
y=-3x+1
decreasing
what does b represent in y=mx+b
y-intercept
what is the initial value of the equation
y=4(3)^x
4
what is the axis of symmetry
y=(x-4)^2+1
x=4
is x=2 a function? why?
no. fails vertical line test
what is the slope of a vertical line
undefined
true or false
parallel lines have the same slope
true
is the following linear or nonlinear
y=x^2-5
nonlinear
true or false
exponential functions have a constant rate of change
false
is a parabola opens downward, the leading coefficient must be positive or negative
negative