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Algebra 1 Vocabulary
Mid-Term Exam Study Guide
Word | Definition |
---|---|
Real number | rational and irrational number |
Irrational numbers | non repeating decimals |
Rational numbers | a/b but b cannot be 0 |
Integers | -3, -2, -1, 0, 1, 2, 3 |
Whole number | 0, 1, 2, 3 |
Function | Relationship between input and output |
Communicative Property | 3 + 2 = 2 + 3 or 2x3 + 3x2 |
Associative Property | 2 + (4 + 6) = (2 + 4) + 6 |
Simplified | Combine like terms |
Distributive Property | 4(a+ 6) = 4a + 24 |
Variable | Unknown |
Expression | Does not have an equal sign |
evaluate | Solve |
Twice | Two time |
Equation | Has an equal sign |
squared | To the second power |
cubed | To the third power |
Difference | Subtraction |
Sum | Addition |
Product | Multiply |
quotient | Division |
Relation | Set of ordered pairs |
Linear equation | Forms a straight line |
Slope intercept form | Y=mx + b |
Standard formula of a line | Ax + b = c |
Ordered pair | (x,y) |
X axis | Horizontal axis |
Y axis | Vertical axis |
Domain | X axis |
Range | Y axis |
Slope | Determine steepness (Rise over run) “m” |
And | Intersection |
Or | Union |
Simplified | Combine like terms |
proportion | Ratios that are equal |
Constant | Always the same |
exponent | Power |
denominator | Number on bottom (number doing the dividing) |
factors | Two numbers being multiplied |
of | Multiply |
evaluate | Find its value, solve or work out |
Cross cancel | Multiplication only – turn over fraction |
solution | One or more answers that give a true statement. |
Replacement set | Set if numbers chosen from the replacement set that make the equation true. |
Solution set | The set of numbers chosen from the replacement set that make the equation true |
Additive identity | Identical addition turned around ( 2 + 0 = 2) |
Multiplication identity | Multiply a variable or number by 1 (A x 1 = a) |
Mult Property of Zero | Anything times zero = zero |
Mult inverse | Reciprocal ( 7 x 0 = 0 x 7) |