Func/Ord.Prs
Intercepts
Slope/Rate
Graph/Write Eq.
Systems/Inq
100
Is this a function? (3,-5),(5,-8),(7,10)
Yes.
100
Find the x-intercept and y-intercept of the equation: y=8 - 2x.
x-int. = 4; y-int. = 8
100
Find the slope of the line: (-3,8) (7,-2)
-10/10 = -1
100
Graph this equation using ordered pairs: y = 2/3 x + 1 Use -3,0,3,6
(-3,-1) (0,1) (3,3) (6,5) Look at graph.
100
Solve the system by graphing: y= x - 2 y= -1/3 x + 2
What is (3,1)?
200
Is this a function? (-2,4),(-1,5),(0,6),(-1,7)
not a function
200
Find the x and y intercepts for: y = 3x + 12.
-4, 12
200
Find the slope: (5,-4) (0,-6)
-2/-5 = 2/5
200
Graph using slope and y-intercept: y = 3x-2.
y-int. = -2 slope = 3/1 Check graph.
200
Solve the system by substitution: y = 1 2y + x = 1.
What is (-1,1)
300
Give four ordered pairs for the equation: x = 4
(4,-1) (4,0) (4,1) (4,2) etc.
300
Find the x an y intercepts for: y = 2/3 x - 7.
21/2; -7
300
Find the slope: (4,8) (4,6)
-2/0 undefined
300
Write the equation of the line with slope = 1/4 and y-intercept = -5.
What is y=1/4 x - 5?
300
Solve the system by graphing: y = 1/2 x + 6 y = -2x + 1
What is (-2,5)?
400
Give 4 ordered pairs for y=2x - 5.
(-1,-7),(0,-5),(1,-3),(2,-1)
400
Graph using x and y intercepts: 2x + y = 6.
Intercepts are: 3,6. Line goes downward. Check graph.
400
Find rate of change: x (ht in ft): 200 175 150 125 y (minutes): 1 2 3 4
decrease of 25 feet per minute
400
Write the equation of the line with points: (1,4)(3,-6).
What is y=-5x + 9?
400
Graph the inequality. y > 2x - 2
Check graph for correct line and shading.
500
Give 4 ordered pairs for 2x - 4y = 8. Use -1,0,1,2.
Correct equation is y=1/2x - 2 Answer: (-1, -2.5) (0,-2) (1,-1.5) (2,-1)
500
Graph using x and y intercepts: 3x - 3y = 6.
Intercepts are: -4, 4. Line goes upward. Check graph.
500
Y varies directly as x. Write a direct variation equation. y = 45 when x = 5.
y=9x
500
Write the equation of the line with points: (-2,5) (3,9).
What is y = 4/5 x + 33/5?
500
Graph: y + 3x < 0
Check the line and shading.
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