Slope A number that represents the rate of change in y for a unit change in x ∆y y2 – y1 ∆x x2 – x1 = 2 3 Slope = Rate of Change

Is where x = 0 and located where the graph crosses the y-axis y = 4x + 2 2x + 3y = 12 y-int: x = 0 2(0) + 3y = 12 0 + 3y = 12 3 3 y = 4 y-int: (0,4) y-intercept

Is where y = 0 and located where the graph crosses the x-axis 2x + 3y = 12 x-int: y = 0 2x + 3(0) = 12 2x + 0 = 12 2 2 x = 6 x-int: (6,0) x-intercept

the set of all possible x-values Domain the set of all possible x-values - 0 < x < 0 Left-Most Right-Most

the set of all possible y-values Range the set of all possible y-values - 0 < y < 0 Lowest Highest

An equation with 2 or more variables Literal Equation Examples: y = mx + b F = 9 5 C + 32 A = LW V = LWH A = 1 2 bh A = πr2

Conversion Factor 15840 ft 1 mile 1hr 6 hrs 5280 ft 60 mins 1 mile = 5280 feet 1 mile = 1760 yards 1 hour = 60 minutes 1 gallon = 16 cups Changes a value to a different form but still obtains original value Convert to miles per minute 15840 ft 1 mile 1hr 6 hrs 5280 ft 60 mins