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MTH Cards
Math Study Cards
| Question | Answer |
|---|---|
| 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 |
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