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LEVEL # 22 - SLOPES , INTERCEPTS , AND FORMULAS - CONCENTRATION
DETERMINING SLOPE , X - INTERCEPT , AND Y - INTERCEPT OF A LINEAR EQUATION AS WELL AS SOLVING FORMULAS FOR SPECIFIED VARIABLES
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| A | B |
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| SLOPE | THE SLANT OR STEEPNESS OF A LINE MEASURED BY THE RATION OF VERTICAL CHANGE ( RISE ) TO THE CORRESPONDING HORIZONTAL CHANGE ( RUN ) WHILE MOVING ALONG THE LINE LEFT TO RIGHT |
| X - INTERCEPT | THE POINT WHERE THE LINE CROSSES THE X - AXIS . TO FIND THE X - INTERCEPT IN AN EQUATION YOU LET Y = 0 AND SOLVE FOR X |
| Y - INTERCEPT | THE POINT WHERE THE LINE CROSSES THE Y - AXIS . TO FIND THE Y - INTERCEPT IN AN EQUATION , YOU LET X = 0 AND SOLVE FOR Y |
| FORMULA | EQUATIONS THAT STATE A RULE TO SHOW HOW REAL WORLD QUANTITIES ARE RELATED AND WHERE MOST OF THE QUANTITIES ARE REPRESENTED BY VARIABLES |
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