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MTH Cards

Math Study Cards

QuestionAnswer
Relation Group of variables that are linked. Ex: (x,y)
Domain Function that can be X
Range Function that includes all Y's
Vertical Line Test A line when the points on a graph connect. This line can not have more than one point going vertically.
Slope Formula y2-y1 divided by X2-X1
Like Terms Term that are the same. Ex: 2x+3x you can combine 2 and 3 because they are both x's
First Polynomial Group of 3 terms
Second Polynomial Group of 1 term
Third Polynomial Group of 2 terms
Last Polynomial Group of 3 terms
Example of an exponent 4x^2
Example of Powers of Binomials 2(x-3)^2+10
Quadratic Formula x equals fraction numerator minus b plus-or-minus square root of b squared minus 4 a c end root over denominator 2 a end fraction
How do you solve square root of x=10 You would take the problem to the second power to eliminate the square root. You would then do that to the other side as well. When you get 10^2 your answer will be 100. You then double check your work to see if the square root of 100 is 10.
what is the square root of 18 You would just solve this and you would ed up with 3 square roots of 2
Can there be unreal numbers? Yes. That is when there is a negative.
What does it mean to evaluate? When we evaluate an expression, we are investigating its value when x , or the variable, is a certain value.
What is 9^0 power? 1
What is 3^-1 power? 1/3
What is 3^-2 2/3