MATH PLACEMENT TEST VOCAB WITH COMPLETE SOLUTIONS 100% 2023/2024

MATH PLACEMENT TEST VOCAB WITH COMPLETE SOLUTIONS 100% 2023/2024 Irrational numbers A nonrepeating, nonterminating decimal. It cannot be written as a fraction. Pi is an example. Square root of 17 is an example. Rational number Any number that can be written as a fraction. Terminates or repeats. An example is 1/3. Whole numbers whole numbers start at 0 and only go up. Negative numbers are not in the set of whole numbers. Natural numbers Start at 1 and go up. No 0s, and no negatives. Integers All whole numbers and their negatives Equation There is an equal sign Expression No equal sign Function Passes the vertical line test. Every x value has exactly 1 y value. A sideways parabola (y=squarerootofx) is not Ratio A fraction that compares two numbers Properties of addition and subtractiln Know commutative, associative, inverse (5 + -5 = 0), multiplicative inverse (5 • 1/5 = 1) aka reciprocal, etc. Proportion Two ratios set equal to each other. An equation with fractions Cartesion coordinate system Coordinate plane, four quadrants. (On a graph, make a C. Top right, top left, bottom left, bottom right.) X axis Horizontal. First in an ordered pair Y acis Vertical. Second in an ordered pair Quadrants 1st - (+,+) 2nd - (-,+)