Definitions
This type of number can be written as a fraction.
What is a rational number?
The domain of {(0, 4), (3, 5), (1, 2)}.
What is {0, 1, 3}?
y - 3 + 2x = x2 - 1, written in standard form.
What is y = x2 - 2x + 2?
Slope Intercept Form
What is y=mx+b?
The equation y=kx displays this kind of variation.
What is direct variation?
This type of relation has no repeated x-values.
What is a function?
The range of {(0, 4), (3, 5), (1, 2)}.
What is {2, 4, 5}?
y = (x + 4)2 - 23, written in standard form.
What is y = x2 + 8x - 7?
The Slope Formula.
What is m=(y2-y1)/(x2-x1)?
The x-intercept for the equation 3x - 2y = 12.
What is (4, 0)?
The x-values in a relation.
What is the domain?
The domain of y = x2+1.
What is negative infinity to positive infinity?
The solutions to 0 = x2 - 10x + 21.
What are 3 and 7?
Point-Slope Form
What is y-y1=m(x-x1)?
The equation y=kxz displays this kind of variation.
What is joint variation?
The y-values in a relation.
What is the range?
The range of y = -x2 - 3.
What is negative infinity to -3?
The number and type of solutions for the equation 0 = 5x2 - 2x - 1.
What are 2 real solutions?
(Because the discriminant is 24).
Standard Form
What is Ax+By=C?
The line perpendicular to x = 4 that goes through the point (9, 3).
What is y = 3?
These numbers include 1, 2, 3, and so on.
What are the natural or counting numbers?
The range of y = 2x - 4.
What is negative infinity to positive infinity?
The solutions to y = x2 + 3x + 5.
What are (-3 plus or minus i root 11)/2?
The quadratic formula.
What is negative b plus or minus the square root of b2-4ac divided by 2a?
The equation for the line parallel to the line y = 3x + 2 that goes through the point (1, 3).
What is y = 3x + 6?