Find the y-int and the equation of the axis of symmetry
f(x)=-3x^2+5
y-int=5; axis of symmetry: x=0
100
Fill in the blank.
With both discrete and continuous graph, you can use ______ ________ test, to determine the graph is function or not.
vertical line
200
Name the property.
x(y+z)= xy + xz or (y+z)x = yx + zx
Distributive Property
200
State the domain and range
{(-6,5), (-5,4), (-4,3), (-3,2)}
Pick a relationship of the function: onto, 1 to 1, or both
D= {-6,-5,-4,-3}
R= {5,4,3,2}
Both
200
Solve for x & y
5x+3y=-19
8x+3y=-25
Hint: elimination
x = -2
y = -3
(-2,-3)
200
Use a quadratic equation to find two real numbers that satisfy the situation, or show that no such numbers exist.
Their sum is -8 and their product is -209
11 and -19
200
Is this consistent and independent, consistent and dependent, or inconsistent?
4x+3y=24
-3x+5y=30
consistent and independent
300
Solve for x
(4x+5) / (-2) - 1 > -3
x < -1/4
300
Put this equation in standard form
(-3/10x)=8y - 15
3x+80y=150
300
Solve the matrix
B - A
B = {4 -1} A = {16 2}
{-3 -7} {-9 8}
{-20 -3}
{6 -15}
300
Write a quadratic equation in standard form with the given roots.
3.4,0.6