alg 2 midterm review revised march 7 2007 3
TRANSCRIPT
8/3/2019 Alg 2 Midterm Review Revised March 7 2007 3
http://slidepdf.com/reader/full/alg-2-midterm-review-revised-march-7-2007-3 1/8
Midterm Review Algebra 2
1. Solve and graph the following inequality -4 < 2 – x < 6 ?
2. Solve and graph the following absolute inequality. 214
3≥+ x
3. What is the y-intercept and the x-intercept of the line y = 4x + 12?
4. What is the equation of the line that passes through the point (7, 8) and (2, 18)?
5. Which of the ordered pairs is a solution of 2x – 3y < 2?
(0, -1) (3, 2) (-3, -6)
6. Find the vertex and the y-intercept of the function 743 −−−= x y ?
7. Solve the following system of linear equations.
4x + 3y = 3
2x + y = -3
8. Solve the following system of linear equations.
2x + 3y = 123x – 4y = 1
Rev. 3/6/07
1
8/3/2019 Alg 2 Midterm Review Revised March 7 2007 3
http://slidepdf.com/reader/full/alg-2-midterm-review-revised-march-7-2007-3 2/8
9. Determine if each ordered pair is a solution of the following system of linear
inequalities.
2
12
≥+
<−
y x
y x(0, 0) (1, 1) (1, 2)
10. Does the following function open up or down and is it wider or narrower than2 x y = ?
22 x y −=
11. Solve the following linear system.
x + 2y – z = 3
x – 3y + z = -1
-x + y – 3z = 5
12. Divide. Use synthetic division when possible.
( ) ( )5 4 2
5 6 28 10 5 x x x x x+ − − + ÷ +
13. Divide. Use synthetic division when possible.
( ) ( )26 8 2 3 x x x+ − ÷ −
14. Factor the polynomial given that ( ) 0 f k = .
( ) ( )3 210 11 70; 5 0 f x x x x f = + + − − =
Rev. 3/6/07
2
8/3/2019 Alg 2 Midterm Review Revised March 7 2007 3
http://slidepdf.com/reader/full/alg-2-midterm-review-revised-march-7-2007-3 3/8
15. Given one zero of the polynomial function, find the other zeros.
( ) 3 22 7 33 18; (6) 0= − − + = f x x x x f
16. What is the vertex of the graph of y x x= − − +2 4 72?
17. What is a complete factorization of 6 33 152 x x− + ?
18. What are the solutions of ( ) 21544
1 2
=+− x ?
19. Find the product. )62)(4( ii +−−
20. Solve. 010422
=−− x x
21. Solve. 01352
=−+ x x ?
Rev. 3/6/07
3
8/3/2019 Alg 2 Midterm Review Revised March 7 2007 3
http://slidepdf.com/reader/full/alg-2-midterm-review-revised-march-7-2007-3 4/8
22. Write the quadratic equation in vertex form for a graph whose vertex is (4, 1)
which passes through the point (2, -3)?
23. Find the product. (2x+1)(x² – x – 3)
24. Factor. .25812
− x
25. Expand.3)3( − x
26. Simplify.4 5 2(3 ) x y
27. Simplify.4 1 0 7
4 2 3 3
4 15
15 2
x y x y
x y x y
−
− −•
Rev. 3/6/07
4
Imaginary
Real
8/3/2019 Alg 2 Midterm Review Revised March 7 2007 3
http://slidepdf.com/reader/full/alg-2-midterm-review-revised-march-7-2007-3 5/8
28. Sketch the graph of 5 2i− .
29. Simplify. (7 2 ) (4 6 )i i− − + .
30. Simplify.3 2 3
(8 7 5 ) (3 7 8) x x x x x+ − + − − +
31. Describe the end behavior of the following graph symbolically (i.e. using limits.)
Rev. 3/6/07
5
8/3/2019 Alg 2 Midterm Review Revised March 7 2007 3
http://slidepdf.com/reader/full/alg-2-midterm-review-revised-march-7-2007-3 6/8
32. What is the standard form of the quadratic function 4)1(32−−−= x y ?
33. What is the standard form of the quadratic function 4( 5)( 3) y x x= − + − ?
34. What is the complete solution to the equation 1152 =− x ?
35. Determine if the lines going through the given points are parallel, perpendicular
or neither.
L1: (-3, 5) and (4, -3) L2: (-5, 1) and (2, -7)
36. Graph 52
1−≥− y x
37. Two linear functions have infinite solutions if _______________________:
38. List the possible zeros of the function.
( ) 3 22 5 6 f x x x x= + − +
Rev. 3/6/07
6
8/3/2019 Alg 2 Midterm Review Revised March 7 2007 3
http://slidepdf.com/reader/full/alg-2-midterm-review-revised-march-7-2007-3 7/8
39. Simplify.i
i
+
+
4
32
40. Solve. 17102
2
−=+ x x
41. Write the point-slope form equation of the line that has a slope of –⅔ and passes
through the point (-6,11). Then rewrite the equation in slope-intercept form.
42. Simplify. All exponents need to be positive.
( )3
3 5
2 8
2
6
x y
x y
−
−
43. Find all the zeros of the polynomial function.
( ) 4 23 4 f x x x= + −
44. Find all the zeros of the polynomial function.
( ) 3 22 25 50 f x x x x= − + −
45. Factor. 22122
−+ x x
Rev. 3/6/07
7
Answer questions #41-50 without using your calculator! Show all your work.
8/3/2019 Alg 2 Midterm Review Revised March 7 2007 3
http://slidepdf.com/reader/full/alg-2-midterm-review-revised-march-7-2007-3 8/8
46. Solve using completing the square. 1382
++ x x =0
Solve the inequality and graph the solution on a number line.
47. 753 <− x
48. Write the equation the quadratic function that has x-intercepts of (-5, 0) and (3, 0)and passes through the point (1, 12).
49. Graph the following quadratic function:
422
−+−= x x y
50. Use synthetic substitution to evaluate 534)(3
−+−= x x x f when 2= x .
Rev. 3/6/07
8