BOARD SLIDE BOARD SLIDE TIME!TIME!

Graph the function 2x + y = Graph the function 2x + y = 2 using a three point plot2 using a three point plot

Sample Points

(-1 , 4)

(0 , 2)

(2 , -2)

(3 , -4)

Graph the Function -2y = x -4 Graph the Function -2y = x -4 using the intercept methodusing the intercept method

X-Int: (4 , 0)

Y-Int: (0 , 2)

Graph the function 3x – 3y = Graph the function 3x – 3y = 12 using the slope-intercept 12 using the slope-intercept

formform

y = x - 4

m = 1b = -4

Graph the functions x = 4 Graph the functions x = 4 AND y = -3 on the same AND y = -3 on the same graph graph

Find the slope of the line Find the slope of the line containing points (4 , 9) and containing points (4 , 9) and

(-3 , 2)(-3 , 2)

Which of the following Which of the following lines are parallel (if any)?lines are parallel (if any)?

Line #1: (-7 , 4) ; (-5 , 3)Line #1: (-7 , 4) ; (-5 , 3)

Line #2: (-6 , 4) ; (12 , -1)Line #2: (-6 , 4) ; (12 , -1)

Line #3: (-2 , 11) ; (-4 , 12)Line #3: (-2 , 11) ; (-4 , 12)

Lines 1 and 3

Find Find kk such that the two such that the two lines are parallellines are parallel

Line #1: (4 , 3) ; (-8 , -1)Line #1: (4 , 3) ; (-8 , -1)

Line #2; (-3 , k) ; (0 , -2)Line #2; (-3 , k) ; (0 , -2)

Find the Slope and Graph Find the Slope and Graph the Line:the Line:

f(3) = 2x - 7 and f(-2) = 4x + 3f(3) = 2x - 7 and f(-2) = 4x + 3

State the Domain and State the Domain and RangeRangeD: {-6 , -3 , 0 , 2 , 3 , 6}D: {-6 , -3 , 0 , 2 , 3 , 6}

R: {-5 , -3 , -1 , 1 , 2 , 3}R: {-5 , -3 , -1 , 1 , 2 , 3}

State the Domain and State the Domain and RangeRange

D: All Reals D: All Reals except x=-3except x=-3

R: All Reals R: All Reals except y=0except y=0

Solve the following:Solve the following:

Find value of f(x) = -3x - 4 when x = 5

Find value of f(x) = -x + 14 when x = 5

Find value of x such that f(x) = 12x – 4 when f(x) = 20

f(5) = -19

f(5) = 9

f(2) = 20

Graph 3y - 4x < -Graph 3y - 4x < -1515