Mathematics - PearsonAccess.com

Objective 3Try ItWrite the equation of the line with a slope of 1 5 and a y-coordinateof the y-intercept of 8.If the slope is 1 , then m ________ .5If the y-coordinate of the y-intercept is 8, then b ________.The equation of the function is:y mx by ________x ________If the slope is 1 5 , then m 1 . If the y-coordinate of the y-intercept is 8,5then b 8.The equation of the function is:y mx by 1 5 x 8Given the slope and a point on the graph●Substitute the given values (the x- and y-coordinates of the givenpoint and m, the slope) into the slope-intercept form of theequation, y mx b.● Solve the equation for b.●Substitute the values for m and b into the slope-intercept form,y mx b.You can also use thepoint-slope form to writethe equation of a line.y – y 1 = m(x – x 1 )What is the equation of the line with a slope of 1 3 through the point (3, 6)?that passes● Substitute x 3, y 6, and m 1 into the equation3y mx b.y mx b6 1 3 (3) b● Solve for b.6 1 3 (3) b6 1 b1 15 b81