Substitution
Elimination
Evaluating Graphs
Multi-step Equations
Evaluating f(x)
100
2x + y = 10 -2x + 2y = 5
What is y = 5
100
In the equation 3y = 5x + 15, what is the slope? What is the y- intercept?
5/3 = slope 5 = y-intercept
100
18 = 3(3x - 6)
What is 4
100
Find g(10) when g(x) = -3x + 1
What is -29
200
-4x + y = 6 -5x - y = 21
What is (-3,-6)
200
3y - 21 = -14x -6y + 42 = 4x
What is x = 0
200
Rewrite the equation 6y + 54 = 24x in slope-intercept form.
What is y = 4x + 9
200
8(4k - 4) = -5k - 32
What is 0
200
Find f(3) when f(x) = x^2 + 7
What is 16
300
-5x + y = -2 -3x + 6y = -12
What is (0,-2)
300
-3x + 21 = -9y x - 5 = 5y
What is y = 1
300
Rewrite the equation 4y – 2x = 6 in point-slope form given the point (1, 2).
What is y - 2 = 0.5(x - 1)
300
-8(-8x - 6) = -6x - 22
What is -1
300
Find h(-2) when h(x) = 12/x
What is -6
400
-x - 3y = 6 2x + y = -8
What is y = -4/5
400
Does the point (3, 4) lie on the line of the equation 4y – 2x = 6?
No
400
-11 - 5a = 6(5a + 4)
What is -1
400
Find j(7) = j(x) = 2x + 9
What is 23
500
-2x - 6y = 6 -7x + 8y = -5
What is (3,2)
500
9x = 16y + 16 x = 2y - 2
What is x = 32
500
What is the equation of the line graphed? Write the equation in POINT-SLOPE FORM, then write it in SLOPE-INTERCEPT form:
What is y-0 = x-(-1) y = x + 1
500
5(2x + 6) = -4(-5 - 2x) + 3x
What is 10
500
Find f(h(x)) when h(x) = 12/x and f(x) = x^2 + 7
What is 144/x^2 + 7
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