| vocabulary | Solving Equations | Solving Inequalities | Solving Systems of Linear Equations | |
|---|---|---|---|---|
|
What is Algebra?
A section of mathematics that uses letters and other symbols to solve equations.
|
t=1
16-2t= 5t+9
|
x<2
2x+5<9
|
20
f(4)= (f)^2 +4
|
x=5
y=-2
3x-y=7
2x+y=8 |
|
What is a variable?
A symbol for a value we don't know yet. It is usually a letter like x or y.
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x=-11/2
5-2(3-x)=4x+10
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x<16/5
-5x+6>-10
|
27
g(4)= 8*4-5
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x=6
y=2
x+y=8
x-y=4 |
|
What is a whole number?
Whole Numbers are simply the numbers 0, 1, 2, 3, 4, 5, ... (and so on)
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x=3
5x-2=3x+4
|
x<15
5-x>-10
|
6
f(-3)= f^2+2*-f+3
|
x=1
y=5
2x+y=7
3x-2y=-7 |
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What is a coefficient?
A number used to multiply a variable.
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x=2
7-8x=4x-17
|
x<2
9>2x+5
|
3
f(3)=2* f - 3
|
x=3
y=4
2x+7y=34
5x-4y=-1 |
|
What is a irrational number?
An Irrational Number is a real number that cannot be written as a simple fraction.
|
x=-2
5x+7=3 (x+1)
|
x<5/2
10>2x+5
|
20
f(3)= 2x^2+x-1
|
x=4
y=-1
5x+9y=11
5x-4y=24 |
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