HONORS ALGEBRA 2 - CHAPTER 5 REVIEW
HONORS ALGEBRA 2 - CHAPTER 5 REVIEW
Name: ________________________________________ Date: ________________________ Hour: __________
SECTION 1: Evaluate each numerical expression or simplify each variable expression. Write
your answers as fractions, not decimals.
1) (63)2
2)
3)
4) 57 (54)-3
5) x5 x3
6) (3y2)-4
7) w0z-3
8)
SECTION 2: Decide whether the function is a polynomial function (YES/NO). If it is, write the
function in standard form (SF) and state the degree (D), type (T), and leading coefficient (LC). If it is not, circle the part of the equation that makes the function not a polynomial.
9) f(x) = 2x ? 15 + 3x2 + x4 YES / NO
10) f(x) = 4x4 ? 6x2 + 7x -3 ? 5
YES / NO
SF: ____________________________________ SF: ____________________________________ D: ______ T: ________________ LC: _______ D: ______ T: ________________ LC: _______
11 f(x) = 9x2 ? 4x ? 8x3 ? 1 YES / NO
12) f(x) = x3 + x + 7 ? 8x2
YES / NO
SF: ____________________________________ SF: ____________________________________
D: ______ T: ________________ LC: _______ D: ______ T: ________________ LC: _______
SECTION 3: Use Direct Substitution to evaluate the function for the given value of x.
13) f(x) = x4 ? 4x2 + 3x + 5, for x = -2
14) f(x) = -5x3 ? 8x2 + 7x ? 12, for x = -3
SECTION 4: Use Synthetic Substitution to evaluate the function for the given value of x.
15) f(x) = x4 ? 6x2 + 3x ? 8, for x = 5
16) f(x) = -3x2 ? 2x4 + 5x ? 6 + x3, for x = -1
SECTION 5: Add, subtract, or multiply the polynomials.
17) (5x2 + 3x + 9) + (7x2 ? 1)
18) (2x3 + 11x2 ? 4) ? (4x2 + x)
19) (3x2 + 5)(x2 ? 4x)
20) (2x2 ? 6x + 5)(x2 + 9)
21) (x ? 4)(x3 ? 5x2 + 9x + 10)
22) (-3x2 ? x + 5)(x2 + 4x ? 8)
SECTION 6: Factor each polynomial using difference of two cubes or sum of two cubes.
23) f(x) = x3 + 512 _________________________________________________________________
24) f(x) = 8x3 ? 343 ________________________________________________________________
25) f(x) = 54x3 + 250 _______________________________________________________________
SECTION 7: Find all the zeros of each polynomial function with factor by grouping.
26) f(x) = 2x3 ? 5x2 + 12x - 30
27) f(x) = 6x3 ? 4x2 ? 9x + 6
SECTION 8: Find all the zeros of each polynomial function by getting the polynomial into
quadratic form.
28) f(x) = 2x3 ? 10x2 ? 48x
29) f(x) = 3x5 ? 21x3 ? 54x
SECTION 9: Divide the polynomials using Long Division.
30) (x2 ? 8x + 3) ? (x + 2)
31) (x3 + 6x2 ? 8) ? (x2 ? 3)
SECTION 10: Divide the polynomials using Synthetic Division.
32) (x3 + 12x2 + 31x + 11) ? (x + 4)
33) (2x4 ? 9x2 ? 16x ? 22) ? (x ? 3)
SECTION 11: Use Synthetic Division to factor the polynomial given that f(k) = 0, and then find
all the zeros of the function.
34) f(x) = 3x3 ? 7x2 ? 22x + 8, f(4) = 0
35) f(x) = x3 + 2x2 + 8x + 16, f(-2) = 0
SECTION 12: List all the possible rational zeros of each polynomial function.
36) f(x) = x3 ? 5x2 ? 7x + 20 ___________________________________________________________ 37) f(x) = 2x4 + 8x2 ? 9x ? 36 ___________________________________________________________ 38) f(x) = 5x4 ? 7x3 + x ? 21 _____________________________________________________________
SECTION 13: List all the possible rational zeros and then use Synthetic Division to factor the
polynomial and find all the zeros.
39) f(x) = x3 ? 3x2 ? 6x + 8
40) f(x) = x4 ? 3x3 + 2x2 ? 18x ? 24
SECTION 14: Write a polynomial function given that it has the following solutions.
41) solutions: 1, 3, -5
42) solutions: -1, -4, 2, 6
43) solutions: -3, ?4i
44) solutions: ?6i, 2 ? i
SECTION 15: Describe the end behavior of each polynomial function.
45) f(x) = 3x4 - 6x3 + 8x ? 10
46) f(x) = -2x3 ? 6x2 + 3x +4
47) f(x) = x5 + 5x3 ? 6x2 + 11
f(x) ____ as x -
f(x) ____ as x -
f(x) ____ as x -
f(x) ____ as x +
f(x) ____ as x +
f(x) ____ as x +
SECTION 16: Make a table of values to graph each polynomial function. Use the end behavior as a guide.
48) f(x) = -2x4 + 7x2
49) f(x) = x3 + x2 ? 5x + 1
SECTION 17: Use the x-intercepts and the local minimum and local maximum values to graph
the polynomial function.
50) f(x) = (x ? 3)(x + 2)(x + 7)
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