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CHAPTER 1 TEST REVIEW. 1.Write the equation of the line perpendicular to the line 4x+y = 1 and runs through (2,-1) y + 1 = ¼(x-2) y = ¼x - 1½.

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Presentation on theme: "CHAPTER 1 TEST REVIEW. 1.Write the equation of the line perpendicular to the line 4x+y = 1 and runs through (2,-1) y + 1 = ¼(x-2) y = ¼x - 1½."— Presentation transcript:

1 CHAPTER 1 TEST REVIEW

2 1.Write the equation of the line perpendicular to the line 4x+y = 1 and runs through (2,-1) y + 1 = ¼(x-2) y = ¼x - 1½

3 Given f(x) = 6x-4 and g(x) = x 2 +2 2. Find f(g(-2) 3. Find g(f(x)) 4. Find the inverse of f(x) f(6) = 32 (6x-4) 2 + 2 36x 2 – 48x + 18 x = 6y – 4 x+4 y -1 = 6

4 5. Find the center and radius: x 2 + y 2 + 2x - 14y = 71 x 2 + 2x + 1 + y 2 – 14y + 49=71 + 1+ 49 (x+1) 2 + (y-7) 2 = 71 + 1 + 49 (x+1) 2 + (y-7) 2 = 121 C(-1,7) r = 11

5 6. Describe the changes y = -(6x) 2 + 8 Reflects across x axis Horizontal shrink by 5 Moves up 8

6 7. Solve algebraically: ⅔x-2<8 and ⅔x-2  -8 ⅔x<10 and ⅔x  -6 x<15 and x  -9

7 8. a. Convert 40º to radians. b. Convert to degrees a.2π 9 b. 20º

8 9. Find f -1 (x) and SHOW that f(f -1 (x)) = x and f -1 (f(x)) = x if f(x )=

9

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