Fractional Coefficients

Slides:

Advertisements

Similar presentations

Dividing of Fractions by Carol Edelstein.

Advertisements

Today we are learning how to solve problems. You must decide whether to use addition, subtraction, multiplication or division.

Point Slope Equation of a Line. Any time you are given the slope of a line (m) and a point on the line ( x 1, y 1 ) Use the point-slope equation of a.

Solving Equations = 4x – 5(6x – 10) -132 = 4x – 30x = -26x = -26x 7 = x.

Table of Contents First, find the least common denominator (LCD) of all fractions present. Linear Equations With Fractions: Solving algebraically Example:

Answers to page 74 #22-31.

Lesson 4-6 Rational Equations and Partial Fractions

Lesson 2-4. Many equations contain variables on each side. To solve these equations, FIRST use addition and subtraction to write an equivalent equation.

Finding a Percent of a Number Lesson 6-7. Using a Proportion Set up a proportion that uses the percent over 100. Cross multiply to write an equation.

1.3 “Solving Linear Equations” Steps: 1.Isolate the variable. 2.To solve when there is a fraction next to a variable, multiply both sides by the reciprocal.

A. b..  When given the roots of a quadratic equation we can work backwards to find the quadratic equation.  Example:  If you know that your roots.

Proportions. Proportion – two equal ratios 1 = 4 3 = = 21 a = c 8 24 b d.

Lesson 4-2: Solving Systems – Substitution & Linear Combinations

Notes 2.4– Solving Equations with Variables on Both Sides.

Algebra 3.6 Clearing Fractions and Decimals. Clearing the fractions   It is easier to deal with whole numbers in an equation than with fractions. 

How can we solve fractional equations? Do now: Solve for x What steps did you use to solve?

Multi-Step Inequalities

COURSE 2 LESSON Solve x + = x + = 3 Subtract from each side x + – = 3 – Find the LCD, which is.

Solving Multi-step Equations by Combining Like Terms and with Variables on Both Sides.

4.8 – Solving Equations with Fractions

Solving Multi-Step Inequalities Section 2.4. Warm Up Solve each equation. 1. 2x – 5 = –17 2. Solve each inequality and graph the solutions

Solving Multi-step Equations by Combining Like Terms and with Variables on Both Sides.

Chapter 2.2 The Multiplication Principle of Equality.

ACT QUESTION OF THE DAY Part If x = -5, then |x - 7| = A: -12 B: 2 C: 12 D: -2.

Objective The student will be able to:

EQUATIONS & INEQUALITIES

ANSWER is 25% of what number ANSWER 40% 4.What percent of 90 is 36? ANSWER d = 4 ANSWER x = Solve:

EXAMPLE 2 Solving an Equation Involving Decimals 1.4x – x = 0.21 Original equation. (1.4x – x)100 = (0.21)100 Multiply each side by 100.

Copyright © 2010 Pearson Education, Inc. All rights reserved. 2.2 – Slide 1.

9.6 Solving Rational Equations 5/13/2013. Vocabulary Rational Equation: Equation that shows two rational expressions or fractions are equal. Example:

Aim: How do we solve rational inequalities? Do Now: 2. Find the value of x for which the fraction is undefined 3. Solve for x: HW: p.73 # 4,6,8,10,14.

Lesson 8-6: Solving Rational Equations and Inequalities.

9.6 Solving Rational Equations Algebra II w/trig.

TUESDAY 2.Solve the following equations. a. b. 3.Graph the line. 10x 5 -36x 14 -6r 7 = 13 + r -13 r = – x = -3x + x -8 = -2x x = 4.

WARM UP Divide and check SOLVING RATIONAL EXPRESSIONS.

8.5 Solving Rational Equations. 1. Factor all denominators 2. Find the LCD 3.Multiply every term on both sides of the equation by the LCD to cancel out.

Finding a Percent of a Number

Solve Systems of Equations by Elimination

9-6 Solving Rational Equations

Finding a Percent of a Number

Proportions and Percent Equations

Finding a Percent of a Number

Notes Over 9.6 An Equation with One Solution

Solving Equations Containing Fractions

Objective Solve equations in one variable that contain more than one operation.

Fractional Equations Chapter 7 Section 7.4.

Warmups Simplify 1+ 2

Converting Repeating Decimals to Fractions

Lesson 4-6 Rational Equations and Partial Fractions

Equations Containing Decimals

Finding a Percent of a Number

Finding a Percent of a Number

Two-Step Equations CA 5.0.

Solving Linear Equations

Objective Solve equations in one variable that contain more than one operation.

Equations and Inequalities

Sec 4-2D. Solve Equations with Rational coefficients

Equations Containing Decimals

Solving Equations Containing Fractions

2 or more does NOT affects.

Notes Over 1.7 Solving Inequalities

Notes Over 1.7 Solving Inequalities

2 Equations, Inequalities, and Applications.

Solving Equations Containing Rational Expressions § 6.5 Solving Equations Containing Rational Expressions.

3.6 Clearing Fractions and Decimals

Inequalities x > a Means x is greater than a

8.5 Solving Rational Equations

Section 4.2 Solving a System of Equations in Two Variables by the Substitution Method.

Presentation transcript:

Fractional Coefficients Objective: To solve equations and inequalities involving fractional coefficients.

To solve an equation or an inequality having fractional coefficients it is helpful to multiply the equation by the LCD Example: solve for x Multiply the equation by the LCD

Joe can finish the class project in 10 hours and Sam can finish the same job in 8 hours. If Joe starts at 1pm and Sam helps him 2 hours later will he have time to watch his TV show at 8 pm? Joe can finish 1/10th of the job per hour Sam can finish 1/8th of the job per hour but starts 2 hours later

Joe’s work plus Sam’s work has to equal to 1(the whole job) Joe and Sam must finish the job in less than 7 hours. Since h is less than seven yes, he can watch his show.

Try These! 1. 2. 3. 4. 5. 1. 2. 3. 4. 5. End Show

Try These!

Try These!

Try These!

Try These!

Try These!