Unit 3 Warm Ups Term 3 Week 1. Warm Up 1/4/16 1.Factor and solve each expression: 2.Solve: 10 ∑ k 2 + 3 K = 1 a. x 2 – 2x – 8b. x 5 – 9x 3.

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Unit 3 Warm Ups Term 3 Week 1

Warm Up 1/4/16 1.Factor and solve each expression: 2.Solve: 10 ∑ k K = 1 a. x 2 – 2x – 8b. x 5 – 9x 3

Warm Up 1/5/16 3. Factor and solve the expression: Factor only. 4.The wavelength w of a wave of a certain frequency varies directly as the velocity v of the wave, and w = 60 ft when v = 15 ft/s. Find w when v = 3 ft/s. a. x 4 + 2x 3 – 8x 2 b. 9x 2 – 25y 2

Warm Up 1/6/16 5.Determine if the data in the table is direct or inverse variation: 6. Factor and solve: 4x x + 9

Warm Up 1/7/16 7. The cost, c, of hiring a contractor to build a patio varies directly as the area, A, in square feet, of the patio. If c = $2832 when A = 80 ft 2. Find A when c = $ Factor and solve the polynomials: a. X 2 + 2x = 24 b. 6x 3 – 33x x

Warm Up 1/8/16 9. The volume of gas, V, varies inversely as the pressure, p. If the volume is 10 L when the pressure is 1.5 atm, find p when v = 750 L. 10. Determine if the table shows a direct variation, an inverse variation, or neither. If the relationship is direct or inverse, identify the constant of variation, and write the variation equation. Show how you tested it. x y1239