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# math Vocabulary

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Middle school vocabulary words in a powerpoint presentation. One word for each letter of the alphabet.

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### math Vocabulary

1. 1. Algebra Vocabulary<br />By: J S<br />Pleasant Valley Middle <br />Mr. Gealand <br />
2. 2. Algebraic Expression:<br />A Mathematical Phrase that can include numbers variables, and operation symbols.<br />7 + x <br />
3. 3. Binomial:<br />A polynomial of two terms. <br />3x + 7 <br />
4. 4. Common Difference:<br />The fixed number added to each term of an arithmetic sequence.<br />The common difference is 3 in the arithmetic sequence 4, 7, 10, 13…<br />
5. 5. Direct Variation: <br />A Linear function that can be expressed in the form y=kx , where k Doesn't equal 0.<br />Y=18x<br />
6. 6. Equivalent Inequalities:<br />Equivalent Inequalities have the same set of solution.<br />x + 4<7 and x < 3 <br />
7. 7. Function Rule:<br />An equation that describes a function. <br />Y = 4x + 1 <br />
8. 8. Geometric Sequence:<br />A number sequence formed by mult. A term in a sequence by a fixed number to find the next term.<br />9, 3, 1, 1/3<br />
9. 9. Hypothesis:<br />The part following if in a conditional.<br /> If the conditional “If an animal has four legs, Then it is a horse,” the hypothesis is “an animal has four legs”.<br />
10. 10. Integers:<br />The whole numbers and their opposites.<br />… -3, -2,-1, 0, 1, 2, 3,…..<br />
11. 11. Jump Point :<br />Is a starting number in a mathematical sequence <br />1, 2, 3, 4, 5, 6, 7,…… <br />The red number is the jump point.<br />
12. 12. Kilograms:<br />The metric prefix for 1,000.<br />For Example when the drug dealers bag up their drugs up. They use kilograms to see how much goes in each little baggie.<br />
13. 13. Like Terms:<br />Terms with exactly the same variables factors in a variable expressions.<br />4y and 16y <br />
14. 14. Median:<br />The middle value in an ordered set of numbers.<br />7, 10, 11, 12, 12, 12,13<br />The median is 12. <br />
15. 15. Natural Numbers:<br />The counting numbers.<br />1, 2, 3, 4,……<br />
16. 16. Opposite:<br />A number that is the same distance from zero on the number line as a given number, but lies in the opposite direction.<br />-3 is the opposite is 3<br />
17. 17. Perfect square trinomial:<br />Any trinomial of the form a2 + 2ab + b2 Or a 2 - 2ab + b2<br />( x + 3)2 = x2 + 6x + 9 <br />
18. 18. Quadratic Equation:<br />An equation you can write in the standard form ax2 + bx + c = 0 , where a≠ 0.<br />4x2 + 9x – 5 = 0 <br />
19. 19. Relation:<br />Any set of ordered pairs.<br />{(0,0), (2,3), (2,-7)} <br />
20. 20. Sample Space:<br />All possible outcomes of an event.<br /> When tossing two coins one at a time, the sample space is (H,H), (T,T), (H,T), (T,H).<br />
21. 21. Term of a Sequence: <br />-4 is the first term of the sequence -4, 5, 14, 23.<br />Any number in a sequence. <br />
22. 22. Unit Rate: <br />A rate with a denominator of 1.<br />The unit rate for 120 miles driven in 2 hours is 60 mi/h. <br />
23. 23. Variable: <br />A symbol, usually a letter, that represents one or more numbers.<br />X is a variable in the equation 9 – x = 3 <br />
24. 24. Whole Numbers:<br />The nonnegative integers. <br />0, 1, 2, 3,…..<br />
25. 25. X-Intercept<br />The x-coordinate of the point where a line crosses the x-axis.<br />The x-intercept of 3x+4y = 12 is 3.<br />
26. 26. Y-Intercept<br />The y-coordinate of the point where a line crosses the y-axis.<br />The y-intercept of y = 5x + 2 is 2.<br />
27. 27. Zero-Product Property<br />For all real numbers a and b, if ab + 0 or b = 0 <br />0 * 0 = 0 <br />