Bellwork 1.4 Solve the following: 1/8 + 3/5 = ? 2/3 * 4/7 = ?

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Presentation transcript:

Bellwork 1.4 Solve the following: 1/8 + 3/5 = ? 2/3 * 4/7 = ? 5/9 ÷ ¾ = ? Convert 0.125 to fraction X2 + 3x -5 What are the coefficients? How many terms?

HW 1.3 Which are numerical expressions and/or algebraic expressions? 3x2 – 2x +14 = 0 14 – 7 = 2 15x2y3z 4x3 + 2x2 – 13x = 41 36x3 9y2

HW 1.3 How many algebraic terms are there? 3x2 – 2x +14 = 0 14 – 7 = 2 15x2y3z 4x3 + 2x2 – 13x = 41 36x3 9y2

HW 1.3 What is the degree of each polynomial? 3x2 – 2x +14 = 0 2y3 + 13y = 16 15x2y3z 4x3 + 2x2 – 13x = 41 36x3 9y2

Unit 1.4 Solving Inequalities

Unit 1.4 Solving Inequalities Monday 08/24/15 Unit 1.4 Solving Inequalities Treat an inequality as an = sign Subtract 14 from each side … 3x + 14 > 29 -14 -14 3x > 15 Divide both sides by 3 … x > 5 How do you solve inequalities?

Unit 1.4 Solving Inequalities Monday 08/24/15 Unit 1.4 Solving Inequalities When multiplying or dividing by a (-) flip the sign … -3x – 12 > -3 +12 +12 -3x > 9 divide by -3 and flip sign … x < -3 Solve -3x – 12 > -3

-4x – 5 > -25 -3(r – 4) ≥ -32 -7x + 7 ≤ -56 3(x – 1) < 12 Work these examples! -4x – 5 > -25 -3(r – 4) ≥ -32 -7x + 7 ≤ -56 3(x – 1) < 12 -3(x – 7) ≥ 21