Pre-Algebra Bellwork August 12 – August 16. Bellwork 8/12/13 Solve and show work! Hint: Plug in for x 1. 3x (for x = 2) 2. 2x + 1 (for x = 4) 3. x/2 (for.

Slides:

Advertisements

Similar presentations

5.6 – Complex Numbers.

Advertisements

Lesson 8-4: Direct, Joint, and Inverse Variation.

Bell Work Explain why the location of point A(1, -2) is different than the location of point B(-2, 1). **Answer in complete thought sentences.

Jeopardy Solving Equations With Pictures Solving Equations With two Variables The Distributive Property Final Jeopardy Evaluating the Expression So you.

Taking a Square Root to Solve an Equation. Solve: In order to solve for x, you have to UNDO the squared first (i.e. square root) What are the number(s)

EXAMPLE 5 Write a joint variation equation The variable z varies jointly with x and y. Also, z = –75 when x = 3 and y = –5. Write an equation that relates.

EXAMPLE 2 Solve a matrix equation SOLUTION Begin by finding the inverse of A = Solve the matrix equation AX = B for the 2 × 2 matrix X. 2 –7 –1.

VAVLPVCTYMAUS PSABLADDERZSB EBSANTESHTICL RLDUDSKTTVSRA EDEARCENEAUOD CRFNORSASINTD TPEUUOCPTDATP UNRTMTRBEEXME MIEUSUULSNSNN USNMEMNISAIIT AESXSVPENNISI.

QPLNHTURBIOTS CADAIASOINCOS OSTPOSTLGVAGT AJRLFKLEROUEA CLARITYSOLSTB HTEAMVSRUVAHI INTERACTPELEL NAPKSOCIALIRI GSOCIOGRAMTST CONFORMITYYTY 14 WORDS ANSWERS.

FUNCTIONS – Inverse of a function A general rule :If ( x, y ) is a point on a function, ( y, x ) is on the function’s inverse.

Solving Equations by Extracting Roots

THE PYTHAGOREAN THEOREM. What is the Pythagorean Theorem? The theorem that the sum of the squares of the lengths of the sides of a right triangle is equal.

Golden Rule of Algebra:

Algebra I Chapter 10 Review

Math Bellwork 12/16/13 – 12/20/13. Bellwork 12/16/13 Find the equation of the line

4.7 Identity and Inverse Matrices and Solving Systems of Equations Objectives: 1.Determine whether two matrices are inverses. 2.Find the inverse of a 2x2.

PRE-ALGEBRA. Lesson 2-9 Warm-Up PRE-ALGEBRA “Solving One-Step Inequalities by Adding and Subtracting” (2-9) (3-1) What are “equivalent inequalities”?

Problem-Solving Activity

Lesson 2.7 AIM: How to find the slope and equation of a line using two points.

Substitution Method Critical Thinking Skill: Explicitly assess information and draw conclusions Sometimes using the graphing method can be problematic.

Substitution Method: 1. Solve the following system of equations by substitution. Step 1 is already completed. Step 2:Substitute x+3 into 2 nd equation.

Circles Students will be able to transform an equation of a circle in standard form to center, radius form by using the complete the square method.

DO NOW: 1) ;use y=10,and z=2 2) p+q2 -(5-5); use p=1,andq=1 3) If I am building a building and I am building the fifth floor and I have to remove 5 lbs.

ON YOUR DESK COPY THE AGENDA DO PROBLEMS 7 (PG 1) AND 44 (PG 11) IN OAA NOTEBOOK GET NOTES OUT.

One step equations Add Subtract Multiply Divide  When we solve an equation, our goal is to isolate our variable by using our inverse operations.  What.

Solving One Step Equations Notes and Practice Problems.

Modeling Equations Lab Name________________________ Directions: Model each problem on your equation mats with the tiles. Then, record your work on this.

Models of algebraic concepts Y2Y2 XY X X2X2 Y 1 PowerPoint Presentation Developed by Harvey Almarode Modified by Carrie Newman Title Slide.

Warm up If sin θ= and find the exact value of each function. 1.cos 2θ 2.sin 2θ 3.Use the half-angle identity to find the exact value of the function: cos.

FACTORING BINOMIALS.

Today we will solve equations with two variables. Solve = figure out.

Classification GraphAlgebra Solution InconsistentParallel ( same slope, different y- int) 0=#No solution Consistent Dependent Same line Same slope, same.

Simplify 2r −10(2 + 7r) Is -3 a solution for this equation? 4x + 2 = -10 Write down this problem on your READY RECALL SHEET Be prepared to explain your.

Circles equations. Find the missing value to complete the square. 6.x 2 – 2x +7. x 2 + 4x +8. x 2 – 6x + Circles – Warm Up Find the missing value to complete.

Pre-Algebra Bellwork August 15 – August 19. Bellwork 8/15/11 Solve and show work! Hint: Plug in for x 1. 3x (for x = 2) 2. 2x + 1 (for x = 4) 3. x/2 (for.

8-1/2-2 DIRECT AND INVERSE VARIATION. Direct Variation Equation: y = kx Solve for constant “k” k = y/x As x increases, y increases As x decreases, y decreases.

SECTION 3-3 Solving Algebraic Equations: Multiplication and Division.

Algebra-2 Section 6-6 Solve Radical Functions. Quiz Are the following functions inverses of each other ? (hint: you must use a composition.

Solving Systems by Substitution (isolated) Solving Systems by Substitution (not isolated)

Objective The student will be able to:

Theorem 12.9 Volume of a Pyramid

Warm-Up In this picture, 18 toothpicks make 7 squares. Remove 2 toothpicks, so that you have exactly 4 squares and no pieces of squares left over.

Prime Time Investigation 4 Review

FACTORING BINOMIALS Section 4.3

Equation Invasion Objective: I can solve two-step equations using the opposite operation to determine the value of an unknown variable.

Inverse & Joint Variation

6-3 Bellwork Solve each system by using substitution

Warm-Up Solve the system by substitution..

Hundred Dollar Questions

Bellwork Find the x and y values Y (-5,2) (3,3) X (-3,-1) (4,-3)

SYSTMES OF EQUATIONS SUBSTITUTION.

More Index cards for AB.

Clickers Bellwork Solve

Equations as Relations

8.1 Model Inverse & Joint Variation

Solving -Step Variable Equations

Three times a number minus 35 is 79. 9n – (6/n) n or 4n (11 + n) or 3(n + 11) 4n2 + 5n n or 7n + 23 Three times a number.

Patterns and Expressions

Write Equations of Lines

Who Wants to be an Equationaire?. Who Wants to be an Equationaire?

Systems with Three Variables

Objective The student will be able to:

Lesson 4-1 Circles.

Homework, red pen, pencil, assignment sheet, highlighter, module

Pythagorean Theorem.

K.OA.4 For any number 1 to 9, find the number that makes 10 when added to the given number. Students may use objects or drawings and should record answers.

Bell Work Solve for “x” and check your solution

Counting Shapes.

ALGEBRA I : SECTION COMPLETING THE SQUARE

Presentation transcript:

Pre-Algebra Bellwork August 12 – August 16

Bellwork 8/12/13 Solve and show work! Hint: Plug in for x 1. 3x (for x = 2) 2. 2x + 1 (for x = 4) 3. x/2 (for x = 12) x (for x = 17)

Bellwork 8/13/13 Solve and Show Work! Hint: Plug in for variables. 1. 2x + 3y (for x = 1 & y = 4) 2. 4x – 2y (for x = 4 & y = 2) 3. X – y (for x = 13 & y = 9) 4. 4y + 2 (for y = 3)

1. Y + 5 (for y = 6) 2. Z – 2x (for z = 23 & x = 3) 3. Xy (for x = 3 & y = 4) 4. 3z – 3y (for z = 23 & y = 6) Bellwork 8/14/13 Solve and Show Work! Hint: Plug in for variables.

Bellwork 8/15/13 Solve using inverse operation and show work! 1. 2x = x = = 4 4. = 9

Bellwork 8/16/13 In this picture, 18 toothpicks make 6 squares (7, if you count the big square). Remove 2 toothpicks and throw them away, so that you have exactly 4 squares and no pieces of squares left over. Draw your final answer.