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RC Algebra Mid-Term Review – Kurelja
01/30/17 to 02/02/17
Name: ______________________________________________
Simplify each expression. (PEMDAS: parenthesis, exponents, multiplication/division, addition/subtraction)
1)
 28 
   3(5)
 4 
2) 2 2 (5)  4
3)
(4 3  8)
(5  2)
4) (4  6)  (2  2)
Solve each equation. SHOW ALL WORK!!!
5) x + 6 = 18
8)
x
 6
3
6) x – 4 = 7
7) 5x = - 60
9) 2x – 12 = 40
10) 3x + 15 = 60
1
RC Algebra Mid-Term Review – Kurelja
01/30/17 to 02/02/17
11) 2x – 61 + 6x = - 5
12) 5x – 2x + 12 = 39
13) - 2 ( x + 8) = 20
14) 6x – 22 = - 5x + 11
15) 6(x + 2) = 48
16) 7x + 14 = 7x + 14
17) 5x – 2 = 5x + 5
18) 2x + 4 = 2x + 4
2
RC Algebra Mid-Term Review – Kurelja
Solve the 19-23 using
01/30/17 to 02/02/17
is
%

of 100
19) What percent of 60 is 12?
22) What percent of 77 is 13?
20) What is 15% of 400?
21) 50% of what number is 125?
23) What is 23% of 265?
24) Jose went out for lunch with $12.00. He bought a sandwich and soda. Jose received $5.25 in change.
How much money did he spend?
25) Matthew deposited $1800 into a savings account. His account earns simple interest at a rate of 4.75% per
year. How much interest will the money have earned after 6 years? ( I  prt , r must be a decimal)
3
RC Algebra Mid-Term Review – Kurelja
01/30/17 to 02/02/17
Solve each inequality; then graph the solution.
26)
11x  121
27)
5 x  2  32
28)
2 x  16  24
Graph the ordered pairs. Tell whether the function is linear or nonlinear. Circle your answer.
29.
Linear or Nonlinear
30.
Linear or Nonlinear
4
RC Algebra Mid-Term Review – Kurelja
01/30/17 to 02/02/17
Tell whether the graph is CONTINUOUS or DISCRETE.
31) The cost d, in dollars, for a parking pass depends on the number of whole weeks w you purchase. This
situation is represented by the function rule d = 25w.
32) The price p, in dollars, for apples depends on the weight w, in pounds, of the apples. This situation is
represented by the function rule p = 1.99w.
Write a function rule that represents each situation.
33) Chelsea’s earnings are a function of the number of lawns she mows at a rate of $20 per lawn.
34) The total fees of a book club membership are $15 per month and a one-time administrative fee of $5.75.
35) An online music club charges $5.00 for the first music download and $2 for each additional download per
month. Write a rule for describing the total monthly fees as a function of additional downloads. What are the
fees for 25 music downloads in a month?
36) A taxicab charges $4.25 for the first mile and $1.50 for each additional mile. Write a rule for describing
the total rate as a function of the total miles. What is the taxi rate for 12 miles?
5
RC Algebra Mid-Term Review – Kurelja
01/30/17 to 02/02/17
Identify the domain and range of the relation. Is the relation a function?
**Domain is all x-values, Range is all y-values.
37) {(2, 4), (8, 11), (9, 1), (4, 2)}
38) {(6, 5), (5, 6), (2, 2), (2, 6)}
domain: ____________________________
domain: ____________________________
range: ____________________________
range: ____________________________
function?
function?
YES
or
NO
YES
or
NO
Find the range for the given domain.
39) f(x) = 4x + 3; {–1, 0, 2}
40) f(x) = x + 4; {–2, 0, 2}
6