MATH 8 CHAPTER 2 TEST REVIEW SOLVING EQUATIONS. 1.Determine which value is a solution of the equation. 3x = 42 A)13B)11 C)14D)16.

Slides:

Advertisements

Similar presentations

Square Roots Objective I can simplify radicals I can use the square root property to solve equations.

Advertisements

Solve an equation by combining like terms

Write algebraic expressions to determine any term in an arithmetic sequence. common difference Main Idea/Vocabulary.

EXAMPLE 1 Collecting Like Terms x + 2 = 3x x + 2 –x = 3x – x 2 = 2x 1 = x Original equation Subtract x from each side. Divide both sides by x2x.

5.5 Solving Quadratic Equations by Factoring

Algebra I Released Items

Splash Screen. Lesson Menu Five-Minute Check (over Chapter 11) Main Idea and Vocabulary Key Concept: Distributive Property Example 1:Use the Distributive.

Algebra 1 Released Items

Daily 10. Day 1 1. Given the dimensions of the large and small rectangles, find the area of the shaded region: A. 7x 2 + 6x - 2 B. 7x x + 10 C.

2.5 Linear Equations and Formulas: Linear Equation: An equation that produces a line on a graph. Literal Equation: An equation that involves two or more.

Splash Screen. Lesson Menu Five-Minute Check (over Lesson 1–3) CCSS Then/Now New Vocabulary Key Concept: Distributive Property Example 1: Real-World Example:

Splash Screen. Lesson Menu Five-Minute Check (over Lesson 1–3) Then/Now New Vocabulary Key Concept: Distributive Property Example 1: Real-World Example:

Splash Screen. Lesson Menu Five-Minute Check (over Lesson 1–2) CCSS Then/Now New Vocabulary Example 1:Verbal to Algebraic Expression Example 2:Algebraic.

Splash Screen. Example 1 Solve a Logarithmic Equation Answer: x = 16 Original equation Definition of logarithm 8 = 2 3 Power of a Power Solve.

Splash Screen. Lesson Menu Five-Minute Check (over Chapter 4) Then/Now New Vocabulary Key Concept: Perimeter Example 1: Find the Perimeter Example 2:

Splash Screen. Lesson Menu Five-Minute Check (over Lesson 1–2) CCSS Then/Now New Vocabulary Example 1:Verbal to Algebraic Expression Example 2:Algebraic.

9.1 – 9.3 Solving Right Triangles without Trigonometry.

Literal Equations. ANSWER 2a + 3 = Write an equation for “ 3 more than twice a is 24. ” ANSWER 64 ft 2 2.A square has a side length of 8 feet. Find.

Splash Screen. Lesson Menu Five-Minute Check (over Lesson 1–2) Then/Now New Vocabulary Example 1:Verbal to Algebraic Expression Example 2:Algebraic to.

Splash Screen. Over Lesson 8–4 5-Minute Check 1 A.16x B. 16x x + 25 C. 16x x + 25 D. 4x x + 5 Find (4x + 5) 2.

Algebra Released Test. A repairman estimated the cost of replacing a part in Mrs. James’ computer would be at most $225. The estimate included.

Notes Over 11.1 Proportions Vocabulary Proportion - an equation that states that two ratios are equal. Cross Product Property - the product of the extremes.

Solving Equations: The Addition and Multiplication Properties Section 3.2.

Splash Screen. Over Lesson 1–2 5-Minute Check 1 A.naturals (N), wholes (W), integers (Z) B.wholes (W), integers (Z), reals (R) C.naturals (N), wholes.

Chapter 6 Section 5 Copyright © 2008 Pearson Education, Inc. Publishing as Pearson Addison-Wesley.

Chapter 6 Section 5. Objectives 1 Copyright © 2012, 2008, 2004 Pearson Education, Inc. Solving Quadratic Equations by Factoring Solve quadratic equations.

Over Lesson 1–3 5-Minute Check 1 A.Multiplicative Property of Zero B.Multiplicative Inverse C.Commutative Property D.Identity Which property is demonstrated.

Splash Screen. Over Lesson 5–4 5-Minute Check 2 Solve the inequality. Show your work and 2 checks. 3t – 5 ≤ 13.

Algebra 1 Mini-Lessons 3x2y(6y + 12xy − 9x) 3(6x2y2 + 12x3y3 − 9x3y)

Chapter 1 Section 3. Example 3-1a Write an algebraic expression to represent 3 more than a number. Answer:

Bell Ringer: Simplify each expression

Splash Screen. Lesson Menu Five-Minute Check (over Chapter 8) Main Idea and Vocabulary Example 1:Identify Arithmetic Sequences Example 2:Describe an Arithmetic.

Expressions & Equations Properties And Like Terms.

Multiplication Properties of Exponents

Two sides of an isosceles triangle measure 3 and 7. Which of the following could not be the measure of the third side? A) 9 B) 7 C) 5 d) 3.

Over Lesson 1–2 5-Minute Check 1 A.naturals (N), wholes (W), integers (Z) B.wholes (W), integers (Z), reals (R) C.naturals (N), wholes (W), rationals (Q),

Splash Screen Unit 8 Quadratic Expressions and Equations EQ: How do you use addition, subtraction, multiplication, and factoring of polynomials in order.

Ratios and Proportions

SAT/ACT MATH UNIT 10 Equation with More Than One Variable.

Lesson 1-3 Solving Equations. Properties of Equality Reflexive Propertya = a Symmetric PropertyIf a = b, then b = a. Transitive PropertyIf a = b and b.

Splash Screen. Lesson Menu Five-Minute Check (over Lesson 1–2) CCSS Then/Now New Vocabulary Example 1:Verbal to Algebraic Expression Example 2:Algebraic.

Find the slope of the line through each pair of points.

Preview Warm Up California Standards Lesson Presentation.

Solving a Linear Equation

Preview Warm Up California Standards Lesson Presentation.

2 Understanding Variables and Solving Equations.

8.1 Ratio and Proportion.

ZPP Zero Product Property If AB = 0 then A = 0 or B = 0.

Ratio & Proportions Practice

8.1 Ratio and Proportion.

5.5 Completing the Square.

WARM UP If a triangle has equal sides of 10, what is the perimeter of the triangle? If a square has equal sides of 7, what is the perimeter of the square?

Lesson 2.1 How do you use properties of addition and multiplication?

Ratio Ratio – a comparison of numbers A ratio can be written 3 ways:

What is an equation? An equation is a mathematical statement that two expressions are equal. For example, = 7 is an equation. Note: An equation.

} 2x + 2(x + 2) = 36 2x + 2x + 4 = 36 4x + 4 = x =

Standard Form Quadratic Equation

Rewrite Equations and Formulas

Chapter 6 Section 5.

Notes Over 1.3 It’s time to stop “daydreaming”

Solving Multi Step Equations

Solving Multi Step Equations

Unit 2B/3A Solving Equations

Final Exam Review 30 Multiple Choice Questions (Equally Weighted)

Warm Up Find the slope of the line through each pair of points.

Lesson 9-5 Warm-Up.

Presentation transcript:

MATH 8 CHAPTER 2 TEST REVIEW SOLVING EQUATIONS

1.Determine which value is a solution of the equation. 3x = 42 A)13B)11 C)14D)16

2.Solve the equation. Check your solution. g + 5 = 0 A) -5B)-10 C) -6D)5

3.Determine which value is a solution of the equation m = 25 A)8B)16 C)17D)9

4.Simplify the expression. 6(x – 7) + 8(x + 10) A)-2x – 122 B)14x + 38 C)14x – 122 D)-2x + 38

5.Use the distributive property and mental math to find the product. 8(5.8) A)47.2B)464 C)4.64D)46.4

6.Each story of a building is 21.5 feet tall. If the height of the building is feet, how many floors does the building have? A)15B)16 C)17D)18

7.Solve the equation. 19x = -570 A)30B)-30 C)- 1D)

8. Solve the equation. Check your solution. w – 6 = 12 A) -11B)6 C)-18D)18

9.The perimeter of the triangle is 100 millimeters. Which equation could be used to find the side length labeled x? A)100 = x B)x = C)15(60) = xD)x = x 15 in. 60 in.

10. Callie owns twice as many videos as Lee. Callie owns 28 videos. How many videos does Lee own? A) 56B)14 C)26D)none of these

11.Use the distributive property to rewrite the expression. 3(2x + 1) A) 6x + 1B)6x – 1 C)6x + 3D)6x – 3

12.Solve the equation. 7b = 5.6 A) 8B)0.08 C)80D)0.8

13.Simplify the expression. 5x + 4(x – 8) A) 9x + 32 B)9x – 8 C)x – 32 D)9x – 32

14.Solve the equation. 48 = 6y A) 8B)9 C)54D)1 8

15.Solve the equation. Check your solution. v – 6 = 35 A) 29B)31 C)39D)41

16.Identify the property illustrated in the statement. -9x(1) = -9x A)Inverse Property of Multiplication B)Identity Property of Multiplication C)Inverse Property of Addition D)Identity Property of Addition

17.Convert 10 yards to inches. A) 120 in.B)30 in. C)123 in.D)360 in.

18.Identify the property illustrated in the statement (15 + x) = ( ) + x A)Associative Property of Addition B)Commutative Property of Addition C)Associative Property of Multiplication D)Commutative Property of Multiplication

19.Solve the equation. A) 39.5B)49.6 C)48.5D)47.4 k5k5 = 9.7

20.Simplify the expression. 4x + 17x A) x + 21B)21x 2 C)13xD)21x

21. Solve the equation. Check your solution. 9 = 4 + m A) 5B)6 C)10D)4

22.Use the distributive property to simplify the expression. -8(5 + 6) A) 3B)-88 C)-3D)88

23.Simplify the expression. 8a – 9a + 3a A) -20aB)20a C)2aD)-4a

24.You receive $147 for mowing lawns for 14 hours. Which equation can you use to find how much you charge per hour? A) = 147B)147x = 14 C)14x = 147D)none of these x 14