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UNIT 5.2 DIRECT VARIATION Warm Up Solve for y. 1. 3 + y = 2x 2. 6x = 3y Write an equation that describes the relationship. 3. y = 2x y = 2x â 3 4. 5. y = 3x 9 0.5 Solve…
UNIT 3.2 SOLVING INEQUALITIES USING ADDITION OR SUBTRACTION Warm Up Graph each inequality. Write an inequality for each situation. 1. The temperature must be at least –10°F.…
UNIT 9.2 HISTOGRAMS Warm Up Identify the least and greatest value in each data set. 1. 34, 62, 45, 35, 75, 23, 35, 65, 23 2. 1.6, 3.4, 2.6, 4.8, 1.3, 3.5, 4.0 Order the data…
8.4 MULTIPLYING SPECIAL CASES Warm Up Simplify. 1. 42 3. (–2)2 4. (x)2 5. –(5y2) 16 49 4 x2 2. 72 6. (m2)2 m4 7. 2(6xy) 2(8x2) 8. 16x2 –25y2 12xy Find special products…
UNIT 7.4 DIVISION PROPERTIES OF EXPONENTS Warm Up Simplify. 1. (x2)3 3. 5. 2. 4. 6. 7. Write in Scientific Notation. 8. Use division properties of exponents to evaluate and…
UNIT 6.4 LINEAR SYSTEMS Warm Up Solve each equation. 1. 2x + 3 = 2x + 4 2. 2(x + 1) = 2x + 2 3. Solve 2y â 6x = 10 for y no solution infinitely many solutions y =3x + 5…
UNIT 5.5 PARALLEL AND PERPENDICULAR LINES Warm Up Find the reciprocal. 1. 2 2. 3. Find the slope of the line that passes through each pair of points. 4. (2, 2) and (â1,…
UNIT 4.3/4.4 GRAPHING FUNCTIONS Warm Up Solve each equation for y. 1. 2x + y = 3 2. –x + 3y = –6 3. 4x – 2y = 8 4. Generate ordered pairs for using x = –4, –2,…
UNIT 3.4 SOLVING MULTI-STEP INEQUALITIES Warm Up Solve each equation. 1. 2x â 5 = â17 2. Solve each inequality and graph the solutions. 4. 3. 5 < t + 9 â6 14 t >…
UNIT 8.5 FACTORING Warm Up 1. Which pair of factors of 8 has a sum of 9? 2. Which pair of factors of 30 has a sum of –17? Multiply. 1 and 8 r2 – 4r – 45 –2 and –15…
UNIT 8 POLYNOMIALS Warm Up Evaluate each expression for the given value of x. 1. 2x + 3; x = 2 2. x2 + 4; x = â3 3. â4x â 2; x = â1 4. 7x2 + 2x = 3 Identify the coefficient…
UNIT 7.1 ZERO AND NEGATIVE EXPONENTS Warm Up Evaluate each expression. 1. 123 1,000 2. 123 1,000 3. 0.003 100 4. 0.003 100 5. 104 6. 10–4 7. 230 123,000…
UNIT 5.6 PARALLEL AND PERPENDICULAR LINES Warm Up Find the reciprocal. 1. 2 2. 3. Find the slope of the line that passes through each pair of points. 4. (2, 2) and (â1,…
UNIT 4.7 ARITHMETIC SEQUENCES Warm Up Evaluate. 1. 5 + (â7) 3. 5.3 + 0.8 5. â3(2 â 5) 2. 4. 6(4 â 1) 6. 7. where h = â2 8. n â 2.8 where n = 5.1 10. 10 + (5 â 1)s…
UNIT 4.1 USING GRAPHS TO RELATE TWO QUANTITIES Warm Up State whether each word or phrase represents an amount that is increasing, decreasing, or constant. 1. stays the same…
UNIT 8.7 FACTORING SPECIAL CASES Warm Up Factor each trinomial. 1. x2 + 13x + 40 2. 5x2 – 18x – 8 3. Factor the perfect-square trinomial 16x2 + 40x + 25 4. Factor 9x2…
UNIT 7.6 EXPONENTIAL FUNCTIONS Warm Up Simplify each expression. Round to the nearest whole number if necessary. 1. 32 2. 54 3. 2(3)3 4. 9 5. –5(2)5 6. 54 54 –32 –160…
UNIT 6.1 SOLVING SYSTEMS BY GRAPHING Warm Up Evaluate each expression for x = 1 and y =–3. 1. x – 4y 2. –2x + y Write each expression in slope-intercept form. 3. y…
UNIT 5.2 DIRECT VARIATION Warm Up Solve for y. 1. 3 + y = 2x 2. 6x = 3y Write an equation that describes the relationship. 3. y = 2x y = 2x â 3 4. 5. y = 3x 9 0.5 Solve…
UNIT 3.6 COMPOUND INEQUALITIES Warm Up Solve each inequality. 1. x + 3 ≤ 10 2. 5. 0 ≥ 3x + 3 4. 4x + 1 ≤ 25 x ≤ 7 23 < –2x + 3 –10 > x Solve each inequality…