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slope-intercept
y = mx + b
Graphing
Substitution
Challenge - Double
100
y = mx + b Define each letter in the equation
m = slope b = y-intercept
100
Write the following equation in slope-intercept form. 3x - 2y = 6
y = 3/2x - 3
100
Using your hands, explain the three types of solutions you could find with graphing systems of equations.
none, one, infinite
100
Find the solution (the ordered pair) of the following equations using substitution. y = 2x - 4; x = 2
(2, 0)
100
Write the following equation in slope-intercept form. 12x - 4y + 12 = 28
y = 3x - 4
200
Write the equation with a slope of 3 and y-intercept of -4
y = 3x - 4
200
Write the following equation in slope-intercept form. 5y - 15x = 20
y = 3x + 4
200
Graph the two equations. What is the solution (ordered pair)? y = 1/3x - 3 y = -x + 1
(3, -2)
200
Find the solution (the ordered pair) of the following equations using substitution. 3x - 4y = 18; y = 3x
(-2, -6)
200
Use substitution to find the solution (ordered pair) of the two equations. 16x - 2y = 32; y = 3x + 4
(4, 16)
300
Graph the following equation putting three points on the graph. y = 1/2x - 2
On board
300
Write the following equation in slope-intercept form. 16x + 4y - 8 = 0
y = -4x + 2
300
Graph the two equations. What is the solution (ordered pair)? y = -1/2x - 2 y = -3/2x + 4
(4, -4)
300
Find the solution (the ordered pair) of the following equations using substitution. y = 9x - 3; 3x = y
(1/2, 3/2)
300
Write the equation in slope-intercept form. 20x - 2y - 2x = 7y + 27
y = 2x - 3
400
Graph the following equation putting three points on the graph. y = -3x + 4
On board
400
Write the following equation in slope-intercept form. 2x - 1/2y = 4
y = 4x - 8
400
Graph the two equations. What is the solution (ordered pair)? y = -2x + 2 y = -2x - 2
No solution
400
Find the solution (the ordered pair) of the following equations using substitution. 4x - 5y = 24; x = 2y
(16, 8)
400
Use substitution to find the solution (ordered pair) of the two equations. 3x + 1/3y = 16; y = 6x + 3
(3, 21)
500
Is the point (2, 3) a solution to the equation y = 2x - 4
No
500
Write the following equation in slope-intercept form. 3/4y - 3x = 4
y = 4x + 8
500
Graph the two equations. What is the solution (ordered pair)? y = 2x + 3 -9 + 3y = 6x
Infinite
500
Find the solution (the ordered pair) of the following equations using substitution. 1/2y - 2x = 20; y = 8x
(10, 80)
500
Write the equation in slope-intercept form. 30 + 2x - 2 + 4y = 8x + 4 - 2y
y = x - 4