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Exit Level Math TAKS
Vocabulary Review for the Exit Level Math TAKS
| Question | Answer |
|---|---|
| Parent Function | The most basic graph (no shifts, stretches, etc.). *Must go through the origin* *Must be positive* ALWAYS LINEAR or QUADRATIC |
| Quadratic Parent Function | y = x^2 |
| Linear Parent Function | y = x |
| Domain | The X-VALUES for a specific function |
| Range | The Y-VALUES for a specific function |
| Absolute Value Parent Function | y = |x| |
| Equation of a line | y = mx + b m = slope b = y - intercept |
| X - intercept | Point where the line crosses the x-axis when y = 0 (x, 0) |
| Y - intercept | Point where the line crosses the y-axis when x = 0 (0, y) |
| Undefined slope | UP & DOWN IS UNDEFINED X = a # |
| Zero Slope | AcrOss Y = a # (it can be graphed in the calc) |
| Regular ________ (the name of a shape) | Tells you that all sides of the shape are congruent |
| Solution to a system of equations | The point where the two graphs intersect |
| Solving equations | The value or values that make the equation or inequality true (plug in the values and see which one works) |
| Solutions of a quadratic equation | SOLUTIONS, ROOTS ZEROS, X-INTERCEPTS (where the graph crosses the x-axis) |
| perimeter | The distance around the outside of a figure (in a circle, it is called the circumference) |
| Equilateral triangle | All sides are equal, each angle is 60 degrees |
| Isosceles Triangle | Two sides are the same (also means that two angles are the same) |
| Supplementary Angles | The sum of the angles is 180 degrees (in alphabetical order C = 90, S = 180) |
| Complementary Angles | The sum of the angles is 90o (in alphabetical order C = 90, S = 180) |
| Sum of the angles of a triangle | 180 |
| Less than | Made with the LEFT hand, Means shade BELOW |
| reflection | MIRROR |
| translation | SHIFT/SLIDE |
| Greater than | Made with the RIGHT hand, Means shade ABOVE |
| Parallel lines | Have the same slope Never touch |
| Perpendicular lines | Meet at a 90 degree angle |
| Line of symmetry | A line that can be drawn through a figure that causes both sides to look identical |
| Scalene triangle | A triangle that has no congruent sides |
| function | The x’s don’t repeat!!! Passes the vertical line test (if you draw a vertical line anywhere on the graph it only touches the graph once) |
| Independent Variable (independent quantity) | Y Variable who’s value DEPENDS on another variable (must be an unknown) |
| Dependent Variable (dependent quantity) | X Variable who’s value can be chosen If given an equation, it is the variable IN the equation (must be an unknown) |
| Composite Figure | A figure composed of different shapes |
| Similar figures | has proportional sides (set up a proportion and cross multiply) |
| Total Surface Area | The area of all of the surfaces of a three dimensional figure |
| Lateral Surface Area | The area of the surfaces of a three dimensional figure NOT including the base(s) |
| Mean | The average of a set of data (add all then divide by how many there are) |
| Median | In a set of data that is written in numerical order, the one in the MIDDLE |
| Mode | In a set of data, the one that occurs the MOST |
| Range | In a set of data, the difference between the highest and lowest |
| Multiple probabilities | To find the probability of MULTIPLE (more than one) things happening MULTIPLY |
| Rotation | To twist or turn a figure |
| Theoretical Probability | What you think should happen before you find the probability of a set of events |
| Volume | The space inside a 3 dimensional figure How much a figure can hold |
| Experimental Probability | What actually happened when you found the probability of a set of events |
| Dilation | Make bigger or smaller (multiply by a scale factor) |
| Sales Tax | A percentage. It is added to the original price. Ex. Shirt cost 14.50 and there is 8.25% tax 14.50 + 14.50*.0825 = 15.70 |
| System of Equations | More than one equation |
| Commission | A percent of a person’s sales. It is ADDED to their hourly pay. Ex. Sally makes $6/hour and works 20 hours and commission is 5%. How much will she make if she sells $1000. 6*20 + .05*1000 = 170 |
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