Term
"0 Slope" horizontal or vertical? |
|
Definition
|
|
Term
|
Definition
Move the decimal point 2 places to the Left and remove the percent sign. |
|
|
Term
|
Definition
|
|
Term
What does "O" in the numerator mean? means |
|
Definition
undefined-can't divide by zero-no slope (vertical) |
|
|
Term
If you are given 2 points what do you do? |
|
Definition
m(slope)= y2-y1, x2-x1 then take one of your points and put it into point-slope form y-y1=m(x –x1) then put the equation into standard form Ax +By=C |
|
|
Term
In standard form can you have any fractions? |
|
Definition
|
|
Term
What makes an equation of a line parallel to another line? |
|
Definition
|
|
Term
What makes a line perpendicular? |
|
Definition
The slope is the negative reciprocal e.g. 1/2 -2/1 |
|
|
Term
What do you do if there is a radical in the denominator of a fraction? |
|
Definition
Multiply top and bottom by the the number in the radical to get rid of it. |
|
|
Term
What do you do if you find you have a zero in the denominator, when you are looking for slope? |
|
Definition
Grab the x coordinate from one of the points |
|
|
Term
If you square root one side? what else do you have to do? |
|
Definition
Square root the other side with plus or minus and break into 2 seperate equations if needed. |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
How do you get circumference of a circle? |
|
Definition
C=Diameter times 3.14 or 22/7 |
|
|
Term
How do you get area of a triangle? |
|
Definition
One half base times height |
|
|
Term
How do you get Area of a Parallelogram? |
|
Definition
|
|
Term
How do you get Area of a Trapezoid? |
|
Definition
Area equals(Base1+Base2)(Height)(1/2) |
|
|
Term
What is the Domain of a relation? |
|
Definition
It is the set of all the X terms. |
|
|
Term
What is the Range of a relation? |
|
Definition
The set of all the Y terms. |
|
|
Term
How do you define a Function? |
|
Definition
Each X Term corersponds to 1 Y Term |
|
|
Term
If a jar contains 13 red marbles and 7 green marbles, what is the probability that a marble selected from the jar at random will be green? |
|
Definition
7/20 7(desired marbles)/divided by 20(total nuber of marbles [7 +13]) |
|
|
Term
How do you calculate midpoint for two points on a graph? |
|
Definition
Use the formula: (x1 + x2) ÷ 2 , (y1 + y2) ÷ 2 |
|
|
Term
What is the square root of -1? |
|
Definition
The imaginary number "i". |
|
|
Term
What is i to the second power? |
|
Definition
|
|
Term
The average weight for a group of 20 women is 130 pounds. If the average weight for 3/4 of these women was 140 pounds, what was the average weight, in pounds, for the rest of the women?. A. 100 B. 110 C. 120 D. 135 |
|
Definition
|
|
Term
What is point slope form? |
|
Definition
|
|
Term
An equation of the line that contains the origin and the point (1, 2)is?
A. y = 2x B. 2y = x C. y = x –1 D. y = 2x +1 E. y2 = x – 1 |
|
Definition
|
|
Term
|
Definition
Move the decimal point 2 places to the right and add the percent sign. |
|
|
Term
How do you covert a decimal to a fraction (1.19)? |
|
Definition
Make it a mixed number 1 19/100 according to the power of the decimal 10's 100's 1000's etc |
|
|
Term
What is the hypotenuse of a 45,45 90 degree triangle? |
|
Definition
|
|
Term
What is the length of the long leg in a 30,60,90 degreee triangle? |
|
Definition
"Root 3" times the length of the short leg(the leg opposite the 30 degree angle). |
|
|
Term
What is the length of the hypotenuse in a 30,60,90 degree triangle? |
|
Definition
"2 times" the length of the short leg |
|
|
Term
How do you get Area of a circle? |
|
Definition
|
|
Term
|
Definition
An arrangement of objects where the order matters. 3p2=apc=3x2x1 but choose the first two factors in the factoral |
|
|
Term
|
Definition
It is an arrangement where the order does not matter. 4C3 Do a factoral of 4 then divide by a literal factoral of 3 4x3x2x1/ 3x2x1 |
|
|
Term
How do you get the VOLUME of a sphere? |
|
Definition
4/3rds times Pi times Radius cubed |
|
|
Term
How do you get AREA of a sphere? |
|
Definition
|
|
Term
What is wrong with this imaginary numbers fraction? 13 5i |
|
Definition
You can't have an imaginary number in the denominator of a fraction. Get rid of the "i" by multiplying by i over i |
|
|
Term
How do you solve for X using a system of equations? |
|
Definition
Cancel the Y term out and solve result x=? |
|
|
Term
How do you figure out a point of intersection using a system of equations? |
|
Definition
Solve for one term then substitute that value into the first equation and solve for the other value then you have your twpo points. x=2 y=4 |
|
|
Term
|
Definition
|
|
Term
|
Definition
3 (3rd power) log5125=3 53=125 |
|
|
Term
What is the formula for distance? |
|
Definition
|
|