Dolfanescobar.files.wordpress.com



-A/B slope (standard form Ax + By = C) (A should be positive)C/B is y interceptSlope – Rise/run (rate of change) + slope going up negative downY=mx + b (m slope, b is y intercept, (x,y coordinates)U union (n) intersection (Venn diagrams) A’ or ~A (NOT– complement)A x Y (multiply)≤= and z≥= straight line also closed circle > < open circle or dashed> shade above < shade belowdon’t forget to switch inequality sign when X or / by a negative-b/2a (vertex only the x coordinate) to find y plug back in (especially height)h= -16t^2 + vt + s (v is velocity) (s starting height) (h at the end *usually 0) t is timeto find the x intercept plug in 0 for y and vice versato get rid of fractions multiply by the reciprocal or denominatorparallel lines same slope/different intercepts (no solutions)perpendicular negative reciprocal (right angles) (intersect – 1 solution)same line (infinite)when you multiply exponents (add) divide (subtract) power of (multiply)*can’t have negative exponents *flipFactoring negative (+ and – signs) positive (+ and + or – and -)FOIL first outside inside lastPEMDAS (MD and AS left to right first)Square roots (pull one out for each pair)Domain (x values) Range (y values)D= rt(fx) = 10 and f(10)put in for y put in for x-16t^2 + vt +s (t is time, v is velocity/speed, s is starting height)positive quadratic functions opens up (minimum vertex)- sign opens down (maximum vertex)function (can’t have 2 x’s the same) *vertical line testsum (add)product (multiply) ................
................

In order to avoid copyright disputes, this page is only a partial summary.

Google Online Preview   Download