What is the equation for a linear function?
y=mx+b
What is the equation for an exponential function?
y=a(b)x
What shape is an absolute value graph?
V
What is the graph of a quadratic function called?
Parabola
Simplify: sqrt(48)
4sqrt(3)
How do you identify a linear function from a table?
it's adding or subtracting
How do you identify an exponential function from a table?
It is multiplying or dividing
What is the equation for an absolute value function?
y=a|x-h|+k
What is the equations of a quadratic function?
y=a(x-h)2+k
Multiply: (2x2 - 3)(x2 + 4)
2x4 +5x2 -12
Where is the y-intercept of a linear function in a table?
Next to the 0 in the x column
Decay
What happens to the graph of an absolute value function when a>1?
it gets narrower (vertical stretch)
Reflection (opens down)
What is the leading coefficient of the expression -2x+4x2
(Hint: Put it in standard form!!)
4
What is the slope of the function: 3x+y= -6
-3
What does the a term represent in an exponential function?
y-intercept
What is the vertex of the function y=3|x+4|-3?
(-4,-3)
How does the h-value of a quadratic function affect the graph?
Horizontal shift (moves left and right)
Find the area of a rectangle with side lengths 2sqrt(3) and 3sqrt(6).
18sqrt(2)
What is the y-intercept of the following function:
2x + 4y = 8
(0,2)
Is the function y=1/4(2)x exponential growth or decay?
growth
What is the axis of symmetry of the function:
y=2|x-1| + 7
x=1
List all of the transformations on the function y=1/2(x+1)2 - 4
vertical compression (wider)
horizontal shift left 1
vertical shift down 4
What is the constant term of the expression
x3 - 2x2 + 4x
0!