Take out Friday’s Practice Worksheet!!!

Slides:

Advertisements

Similar presentations

9.4 – Solving Absolute Value Equations and Inequalities 1.

Advertisements

Math I UNIT QUESTION: What is a quadratic function? Standard: MM2A3, MM2A4 Today’s Question: How do you solve quadratic inequalities by algebra or a graph?

Section 3.2 Beginning on page 104

Solving Quadratic Equations – The Discriminant The Discriminant is the expression found under the radical symbol in the quadratic formula. Discriminant.

MM2A4 Students will solve quadratic equations and inequalities in one variable. MM2A4d Solve quadratic inequalities both graphically and algebraically.

Quadratic Inequalities IES Sierra Nevada Algebra.

1) What does x have to be for 3x = 0? 1) What does x have to be for 3(x -2) = 0 2) What does x have to be for (x–2) (x+3) = 0.

Example: 3x 2 + 9x + 6. Solving Quadratic Equations.

Factor. 1)x² + 8x )y² – 4y – 21. Zero Product Property If two numbers multiply to zero, then either one or both numbers has to equal zero. If a.

Solving Nonlinear Inequalities Section Solution to Inequality Equation One solution Inequality Infinite Solutions.

6.5 Solving Inequalities by Factoring. Steps to Solve To solve an inequality by factoring, treat the inequality like an sign and solve. Make sure to set.

Warm Up Write as an inequality and interval notation.

5-5 Solving Quadratic Equations Objectives:  Solve quadratic equations.

Solving Quadratic Inequalities Algebraically MM2A4. Students will solve quadratic equations and inequalities in one variable.MM2A4. Students will solve.

Example 1A Solve the equation. Check your answer. (x – 7)(x + 2) = 0

11-2 Solving Quadratic Equations By Graphing

Section 5-4(e) Solving quadratic equations by factoring and graphing.

SOLVING QUADRATIC EQUATIONS Factoring Method. Warm Up Factor the following. 1. x 2 – 4x – x 2 + 2x – x 2 -28x + 48.

9.3 – Linear Equation and Inequalities 1. Linear Equations 2.

Solving a Trigonometric Equation Find the general solution of the equation.

2.1 – Linear and Quadratic Equations Linear Equations.

MM2A4. Students will solve quadratic equations and inequalities in one variable. d. Solve quadratic inequalities both graphically and algebraically, and.

Notes Over 5.6 Quadratic Formula

4.8 “The Quadratic Formula” Steps: 1.Get the equation in the correct form. 2.Identify a, b, & c. 3.Plug numbers into the formula. 4.Solve, then simplify.

Math I UNIT QUESTION: What do solutions of equations represent? Standard: MM1A3 Today’s Question: How do we solve quadratic equations algebraically?

M2 Unit 1B: Day 7 MM2A4 Students will solve quadratic equations and inequalities in two variables. MM2A4b Find real and complex solutions of equations.

x + 5 = 105x = 10  x = (  x ) 2 = ( 5 ) 2 x = 5 x = 2 x = 25 (5) + 5 = 105(2) = 10  25 = 5 10 = = 10 5 = 5.

Solving Quadratic Equations. Find the quadratic equation if the solutions are 3 and -2. x = 3 x = -2 Make them equal zero. x – 3 = 0x + 2 = 0 (x – 3)(x.

MATH II – QUADRATICS to solve quadratic equations. MATH III – MATH II –

Quadratic Inequalities First day: Review inequalities on number lines. Review inequalities of linear equations Review inequalities of systems of linear.

Objective: Use factoring to solve quadratic equations. Standard(s) being met: 2.8 Algebra and Functions.

Elimination Method - Systems. Elimination Method  With the elimination method, you create like terms that add to zero.

WARM UP What are the solutions of each equation? 1.) x = 4 2.) x = 0 3.) x 2 – 49 = 0.

Warm up – Solve the Quadratic

Do Now Use the standard form of a quadratic equation to find the a, b and c of each equation. ax2 + bx + c = 0 x2 – 6x + 10 = 0 2x2 + 3x + 4 = 0 x2 –

Lesson 5.6: The Quadratic Formula & the Discriminant

Equations Quadratic in form factorable equations

3.3 – Solving Systems of Inequalities by Graphing

Quadratic Inequalities

Polynomial and Rational Inequalities

Solving Quadratic Equations by the Complete the Square Method

Warm up – Solve the Quadratic

Equations and Inequalities involving Absolute Value

Chapter 7 – Systems of Linear Equations and Inequalities

Graphing Quadratic Inequalities

A quadratic equation is written in the Standard Form,

MATH 1310 Section 2.7.

SECTION 9-3 : SOLVING QUADRATIC EQUATIONS

Unit 7 Day 4 the Quadratic Formula.

I CAN solve equations using the Quadratic Formula. lesson 9.4a.

Solving Polynomial Inequalities

10.7 Solving Quadratic Equations by Completing the Square

Absolute Value inequalities

Solving Quadratic Inequalities algebraically

Solving Quadratic Equations

Solving Quadratic Inequalities (3.2.5)

6.5 Solving Inequalities by Factoring

Solving Quadratic Equations by Factoring

Warm up – Solve.

You can find the roots of some quadratic equations by factoring and applying the Zero Product Property. Functions have zeros or x-intercepts. Equations.

Inequalities Friday, 22 February 2019.

3.5 Solving Nonlinear Systems

Absolute Value Equations Absolute Value Inequalities Factoring

Notes Over 1.7 Solving Inequalities

Solve an inequality using subtraction

Notes Over 1.7 Solving Inequalities

Solving Polynomials by Factoring

Equations Quadratic in form factorable equations

Warm Up #4 1. Write 15x2 + 6x = 14x2 – 12 in standard form. ANSWER

Factorise and solve the following:

Presentation transcript:

Take out Friday’s Practice Worksheet!!! Tuesday September 4th Take out Friday’s Practice Worksheet!!! A group: add x^2 – 9 = 0 as another problem

Math II UNIT QUESTION: How are real world scenarios represented by quadratic functions? Standard: MM2A3, MM2A4 Today’s Question: What type of solutions does a quadratic inequality have? Standard: MM2A4.d.

Solving Quadratic Inequalities Write the original inequality as an equation. Write the equation in standard form (equal to zero) Factor & Solve for x. Plot the points on a number line & test an interval.

Solve:

Solve:

Solve:

Practice Worksheet