Review Know all of the formulas of variations.

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Rational Algebraic Expressions

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Presentation transcript:

Review Know all of the formulas of variations

Algebra II Review Chapter 8

Question 1: As y varies directly with x, write an equation when y = 6 when x = 3 1.y = x 2.y = 2x 3.y= 1/2x 4.y = 18/x 5.2y = x 6.Not here

Question 1: As y varies directly with x, write an equation when y = 6 when x = 3 1.y = x 2.y = 2x 3.y= 1/2x 4.y = 18/x 5.2y = x 6.Not here

Question 2: As y varies inversely with the square of x and y = 1 when x = 2, what is the value of y when x = –4? 1.–2 2.–1/2 3.1/ Not here

Question 2: As y varies inversely with the square of x and y = 1 when x = 2, what is the value of y when x = –4? 1.–2 2.–1/2 3.1/ Not here

Question 3: The area A of a triangle varies jointly as the base, B and the height H. If A= 12 when B = 6 and h = 4, find B when A = 36 and H = /2 6.None given

Question 3: The area A of a triangle varies jointly as the base, B and the height H. If A= 12 when B = 6 and h = 4, find B when A = 36 and H = /2 6.None given

Question 4: For which values of x is the expression undefined? 1.–1/3 and 7/2 2.1/3 and –7/2 3.1/3 and 7/2 4.–1/3 and –7/2 5.–5/2 and 7/2 6.Not here

Question 4: For which values of x is the expression undefined? 1.–1/3 and 7/2 2.1/3 and –7/2 3.1/3 and 7/2 4.–1/3 and –7/2 5.–5/2 and 7/2 6.Not here

Question 5: The area of a rectangle is equal to 3x x – 4. If the length of the rectangle is equal to x + 4, determine its width 1.3x – 1 2.3x x x x – 7 6.Not here

Question 5: The area of a rectangle is equal to 3x x – 4. If the length of the rectangle is equal to x + 4, determine its width 1.3x – 1 2.3x x x x – 7 6.Not here

Question 6: Simplify the following, x 3 y 2 3.5x 7 y x 6 y 3/ Not here

Question 6: Simplify the following, x 3 y 2 3.5x 7 y x 6 y 3/ Not here

Question 7: Simplify the following, 1.4/3 2.(x – 4)/(x + 3) 3.(x + 3)/(x + 3) 4.(x + 3)(x + 4) 5.(x + 4)(x – 3) 6.Not here

Question 7: Simplify the following, 1.4/3 2.(x – 4)/(x + 3) 3.(x + 3)/(x + 3) 4.(x + 3)(x + 4) 5.(x + 4)(x – 3) 6.Not here Answer Now Countdown 15

Question 8: Which of these statements below is NOT a step to add and subtract rational expressions? 1.The common denominator is needed 2.The greatest common factor is taken 3.The factors can be “crossed–cancelled” 4.The factors must be simplified 5.B and C 6.Not here

Question 8: Which of these statements below is NOT a step to add and subtract rational expressions? 1.The common denominator is needed 2.The greatest common factor is taken 3.The factors can be “crossed– cancelled” 4.The factors must be simplified 5.B and C 6.Not here Answer Now Countdown 15

Question 9: Simplify the following, Not here

Question 9: Simplify the following, Not here Answer Now Countdown 15

Question 10: Simplify the following Not here

Question 10: Simplify the following Not here Answer Now Countdown 15

Question 11: Simplify the following Not here

Question 11: Simplify the following Not here Answer Now Countdown 15