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# GHSGT Number .

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GHSGT Number/Comp and Algebra Review . How to use this review : Play the PPT from the beginning and try each question. Press ‘Enter’ to determine the correct answer. Look for boxes that highlight the main idea of the concept.
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Slide 1

﻿GHSGT Number/Comp and Algebra Review How to utilize this survey : Play the PPT from the earliest starting point and attempt every question. Press "Enter" to decide the right reply. Search for boxes that highlight the primary thought of the idea. Come back to the SHS GHSGT Prep page to attempt more audit inquiries. Relax!

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Number and Computation 17% of test

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Percents, Fractions, Decimals Percent to decimal – decimal direct two spots toward left 50.0 % becomes 0.50 Decimal to percent – decimal guide two spots toward right 1.37 becomes 137. % Fraction to decimal – partition numerator by denominator becomes

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Represent 45% as a division. A)1/5 B)2/10 C)9/20 D)45/50

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Express 0.456 as a percent. A).00456% B)4.56% C)45.6% D)456%

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Using Percents Interest = chief × rate × time Mr. Sam obtained \$1000 for 6 months at a yearly financing cost of 27 percent. What amount of intrigue did he pay?

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Exponents Multiply terms with examples by including types Divide terms with types by subtracting types

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Exponents Simplify: p - 2 p 5 A)p - 10 B)p - 3 C)p 3 D)p 7

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Scientific Notation Huge Numbers Tiny Numbers

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Estimates You have a mini-computer – utilize it ! Fundamental thought Round the numbers in the issue so you can figure it out in your mind… (or on your fingers) 12,357 gets to be 12,000 3.12 gets to be 3

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Properties of Numbers Remember the Names Commutative "drive" 3 + 5 = 5 + 3 Associative " relate at a gathering in various gatherings" 4(2x + 3) = (2x + 3)4 Distributive 3(5 + 1) = 3 × 5 + 3 × 1 Identity "reflect #" (Addition ) -3 + 0 = - 3 Identity "reflect #" ( Multiplication) 5 × 1 = 5

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Rules for Integers Use the mini-computer!!! Including 2 positives = positive 2 negatives = negative Subtracting Subtraction is simply including the inverse sign 3 – - 5 = 3 + - (- 5) = 3 + 5 = 8 Multiplying and Dividing 2 positives or 2 negative = positive 1 positive and 1 negative = negative

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Order of Operations P Parenthesis E Exponents M, D Multiply & partition A, S Add & subtract

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Simplify: 2 3 + 4 - 6 2 A) - 26 B) - 22 C) - 2 D) 10

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Simplify Algebraic Expressions Combine like terms

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Algebra Review 29% of test

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Simplify Add: (3t - 3) + (6t 2 + 4t + 13) + (- 8t 2 + 11t - 1)? A)- 2t 2 +18t + 9 B) - 2t 4 + 182 + 9 C)2t 4 - 18t – 9 D) 25t 7

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Evaluate Algebraic Expressions Evaluate a mathematical expression intends to substitute a number for every variable and afterward do the demonstrated operations – recollect to take after the request of operations .

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If r = - 6, s = - 2, t = - 3 v = 10, and w = - 1/2 then wv|-t - s| = A) - 25 B) - 5 C) 5 D) 25

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Write Algebraic Expressions Translate word for word into arithmetical images The total of an and b increased by 66% A number partitioned by two is equivalent to 66% of another number

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Which speaks to the sentence twenty not as much as triple a number is thirty ? 20 – 3x = 30 20 – 3x > 30 3x - 20 < 30 3x – 20 = 30

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Solve Equations Keep it adjusted Perform the inverse operations

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Solve the condition for x. - 16 - 32/3 32/3

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Solve for x Solve the quadratic condition: 4x 2 - 9 = 0 A) 3/2 B) - 3/2 C) 9/4 and - 9/4 D) 3/2and - 3/2 If you\'re confused, simply utilize your number cruncher to connect to all responses for x! Keep in mind x 2 conditions have TWO arrangements!

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Linear Equations-capture strategy y block ( x = 0) x catch ( y = 0)

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Linear Equations – Slope positive indistinct negative zero

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- 3 0 Solve and Graph Inequalities Same as conditions EXCEPT when increase or separation by a a negative number flip the imbalance

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6x - 2(x + 1) > 0 Solve the disparity. A) x > 2 B) x < 2 C) x < 1/2 D) x > 1/2

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Solve. Understand the disparity. - 2 x + 5 ≥ 3 x + 20 A) x ≤ 3 B) x ≥ 3 C) x ≤ - 3 D) x ≥ - 3

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Systems of Linear Equations Solution Main Idea The answer for an arrangement of conditions is the point where the 2 lines meet When you substitute the arrangement, it must make BOTH conditions genuine !!

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Identify the answer for the arrangement of conditions diagramed. (0, 1) (1 - 1) (0, - 3) (- 1, 1)

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Systems of Equations – Substitution substitute

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x = y - 3 x + 3y = 13 What is the answer for the arrangement of conditions? A) (1, 4) B) (4, 1) C) (2.5, 5.5) D) (5.5, 2.5)

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Systems of Equations – Elimination dispose of y include both conditions

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2x - 3y = 16 5x - 3y = 13 What is the answer for the arrangement of conditions? A) (- 1, - 6) B) (- 6, - 1) C) (5, - 2) D) (5, 4)

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A B C D

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Note: This PPT was trimmed from a unique record on the web by Hillgrove HS in Cobb County, GA. I have made specific increments and subtractions because of our school\'s needs. The first home of the PPT is: http://www.cobbk12.org/schools/Hillgrove/GHSGT%20REVEIWS/Math%20GHSGT.htm Mr. White 3/2009

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