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Precalculus: Test 2: Chapter 2
Precalculus: Test 2: Chapter 2
22
Mathematics
Undergraduate 1
10/06/2015

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Term
Define Simplify
Definition
1.) Reduce all radicals
2.) Fractions Should be In Lowest Terms
3.) Distribute
4.) Combine all Like Terms
5.) Use the Simplest Interval
Term
What is the Circle Equation?
Definition
(x – h)^2 + (y – k)^2 = r^2
Term
What is h, in the Circle Equation?
Definition
The x-value in the center point of the circle.
Term
What is k, in the Circle Equation?
Definition
The y-value in the center point of the circle.
Term
What point is the center of the circle?
Definition
(h,k)
Term
What is r, in the Circle Equation?
Definition
The radius of the circle.
Term
What is the radius of a circle?
Definition
r
Term
Define a Circle
Definition
the set of all points that are the same distance, r, from a fixed point
Term
What is the equation of a line?
Definition
y=mx+b
Term
What is "m" in y=mx+b?
Definition
Slope
Term
What is "b" in y=mx+b?
Definition
Y-Intercept
Term
How do You Find the Y-Intercept?
Definition
Set x = 0
Solve for y
Term
How do You Find Slope?
Definition
y2-y1/x2-x1
Term
Parallel Lines have equal...
Definition
Slopes
Term
Two Lines are Perpendicular If Their Slopes Are?
Definition
Negative Reciprocals
Term
How Do You Find the Equation of A Line From A Graph?
Definition
The slope is the rise over run and the y-intercept is where the line meets the y-axis.
Term
Parallel Lines have equal...
Definition
Slopes
Term
Two Lines are Parallel If Their Slopes Are?
Definition
Equal
Term
How Do You Find the Equation of A Line From A Graph?
Definition
The slope is the rise over run and the y-intercept is where the line meets the y-axis.
Term
How do you find the x-intercept?
Definition
Set y = 0
Solve for x
Term
What is distance formula?
Definition
√(x2−x1)^2+(y2−y1)^2
Term
What is midpoint formula?
Definition
(x1 + x2)/2 , (y1 + y2)/2
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