| vocabulary terms | solving equations | solving inequalities | functions | |
|---|---|---|---|---|
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What is algebra?
the part of mathematics in which letters and other general symbols are used to represent numbers and quantities in formulae and equations.
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What is 7x - 4 = 80?
x = 12
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What is 7(3x + 2) − 5(2x − 3) > 7.
x > -2
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What is function or not?
(1,3) (2,8) (4,5) (4,9)
not a function
|
What is f(x) = 2x + 5;
x = 5
f(x) = 15
|
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What is slope?
a surface of which one end or side is at a higher level than another; a rising or falling surface.
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What is 2r + 5 = 17?
r = 6
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What is -2(x+3) < 10
x > -8
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What is function or not?
(1,3) (2,8) (4,5) (4,5) (3,4) (2,8) (9,12) (10,8)
a function
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What is f(x) = 4x - 8;
x = 3
f(x) = 4
|
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What is range?
The difference between the lowest and highest values.
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What is x/6 - 3 = 4?
x = 42
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What is (3/4)x – (1/4) ≥ -1/8.
x ≥ 1/6
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What is function or not?
(3,9) (2,9) (3,6) (4,12)
not a function
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What is f(x) = -4x +12;
x = 2
f(x) = 28
|
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What is equation?
a statement that the values of two mathematical expressions are equal (indicated by the sign =).
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What is -2x + 6 = 4?
x = 1
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What is 5x + 2y > -8
y > (-5/2)x – 4
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What is function or not?
(3,3) (2,4) (7,8) (12,4)
a function
|
What is f(x) = 8x - 36;
x = 7
f(x) = 20
|
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What is y-intercept?
The point where a line or curve crosses the y-axis of a graph.
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What is 2a - 5 = 15
a = 10
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What is 4(x + 2) - 1 > 5 - 7(4 - x).
x < 10
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What is function or not?
(8,12) (2,11) (8,9) (8,5)
not a function
|
What is f(x) = 10x - 21;
x = 6
f(x) = 39
|
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