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What does FOIL stand for, in FOIL Method?
First, Outer, Inner, & Last
f(x) is the same thing as.....
y.
Explain Y-intercept.
When your graph crosses the y-axis
What is the Parent Function of a Quadratic Equation?
f(x)=x2
In order to use Point-Slope Form you need 2 things. What are the 2 things you need to create a new equation?
m & Ordered Pair
What kind of line will you have if your inequality symbol is > ?
Dotted Line
Rate of Change is the same thing as.......
SLOPE (m)
If a question is asking you to find the roots, or solutions, or zeros, you are determining the.....
X-intercepts
What kind of circles will you have on your graph if your inequality symbol is < ?
Open Circles
Convert to Slope Intercept Form:
5x+3y=39
y= -5/3x+13
Parabolas.
What do you type in the calculator to solve for a system of equations?
Menu, 3, 2.
50=?
1
In order to determine solutions, x-intercepts, roots, or zeros of a quadratic equations; standard form has to equal what?
In vertex form:
f(x)=a(x-h)2+k
Which letters represent the vertex?
H is what?
K is what?
(h, k)
h=x
k=y
(x,y): ordered pair of the vertex.
Domain:Range as X:_
Y
What is standard form of a quadratic equations?
f(x)=ax2+bx+c
What is Slope Intercept Form of a Linear Equation?
y=mx+b
Parallel lines have what kind of slopes?
Same or Equal
What is the perpendicular slope of 4?
-1/4
Solve.
(r19)-4
1/r76
What is slope of a line?
m=y2-y1/x2-x1
Where do you look to determine the axis of symmetry?
x-axis or (x,0)
What is the y-intercept of:
24(8)x
24 or (0,24)
f(x)= -4x2+9x-3.
What direction will the parabola open?
Will it be the minimum or maximum?
Down. Maximum.