THE COST OF A PIZZA VARIES DIRECTLY AS THE SQUARE OF ITS RADIUS. IF A PIZZA WITH A 6 INCH RADIUS COSTS $8.00, HOW MUCH SHOULD A PIZZA WITH AN 11 INCH

RADIUS COST?

SLOPE-INTERCEPT FORM• THE SLOPE-INTERCEPT FORM OF A LINE IS THE MOST COMMON FORM OF A

LINE• DESCRIBES A LINE AND ALL OF THE POINTS CONTAINING THAT LINE• ALLOWS YOU TO QUICKLY IDENTIFY THE SLOPE AND THE Y-INTERCEPT• SLOPE-INTERCEPT FORM:

WHICH OF THE FOLLOWING ARE WRITTEN IN SLOPE-INTERCEPT FORM?

WRITE AN EQUATION IN SLOPE-INTERCEPT FORM GIVEN TWO POINTS.•FIND THE EQUATION OF THE LINE THAT PASSES THROUGH (-1,4) AND

(1, -2)

ON YOUR OWN•FIND THE EQUATION OF THE LINE THAT PASSES THROUGH (5, -3) AND (-4, 3).

WRITE THE EQUATION IN SLOPE-INTERCEPT FORM.

9 𝑦−6 𝑦=−9𝑥+(−6)

ON YOUR OWN•WRITE THE EQUATION IN SLOPE-INTERCEPT FORM:

GRAPH THE LINEUSE THE FOLLOWING STEPS:1.EQUATION IS IN SLOPE-INTERCEPT FORM2.IDENTIFY Y-INTERCEPT3.IDENTIFY SLOPE4.PLOT NEXT TWO POINTS

ON YOUR OWN𝑦=− 32 𝑥+3