Download Algebra I Midterm Exam Review Name

Algebra I Midterm Exam Review
Name: __________________________________
Date___________________ Period____________
True or False (1-10)
1) b + b + b + b = b4
3)
5)
17 + (-10) = -7
2
5
3
+ =
4
4
8
2)
The sum of three times a number
and 5 can be written as 3 + 5n.
4)
6 – (-4) = 10
6)
The point (4, -8) lies in Quadrant III
The slope of a vertical line is always
undefined.
7)
The slope of the line y = 4x + 3 is 4.
8)
9)
If a = b, and b = c then a =c shows
the Transitive Property
10)
The domain of a relation is the
x-values.
Chapter 1 and 2: Evaluate and/ or Simplify with Distributing and Combining
11) Write 3  3  3  a  x  x  x using
12) Write 54 in ‘long form’.
exponents.
13)
(- 8 + - 3)  2 =
15)
Simplify
0
5
14)
Simplify. – (-5) – (- 2) + (- 1)
16)
Which property is demonstrated by:
-4x + 28 = -4(x – 7)
18)
Evaluate: a2 + 4bc
if a = -1, b = 4, and c = -2
5
0
17)
Evaluate: mn – p2
if m =
19)
1
, n = 8, and p = 2.
2
What is the simplest form of
–5(2c + 3) – 4c - 2?
Chapter 3: Solve the Equations
20) –x + 15 + 4x + 5 = 2.
22)
3x + 1 = -20
21)
23)
4
x
x = - 16 = -20 is
5
8
2x  2
=-4
3
24)
5x – x = - 28
25)
26)
Solve for y: 7y = x
27)
Solve for b: A = bh
29)
Solve for x:
28)
30)
When is 3x – 2y = 13is solved for y,
what is the equation.
Solve for x:
2
3

y9 y7
4x + 2 = 3(x – 4)
2 15

x 30
Chapter 4: Graphing Equations and Chapter 5: Writing Equations of a Line
31) Does the ordered pair (-8, 0) lie on 32) State the x and y intercepts of
the graph of –3x – 4y = 24?
4x + 3y = 12
33)
Find the slope of the line passing
through the points (1, -7) and (-1,
5).
34)
Find the slope of the line containing
the points (-6, 3) and (-6, -8).
35)
What is the equation of the line
36)
What is the slope of the line
4x + 3y = 12?
38)
Write an equation for the line that
passes through the point 1,5 with
whose graph has a slope of
37)
5
2
and a y-intercept of 9?
Write an equation of the graph in
slope-intercept form.
slope m  2 .
39)
Write an equation for the line in
standard form that contains the
points (-8, 2) and (5, 3).
40)
Which of the following represents a
function (you may have more than
one answer)?
41)
What are the domain and range of 42)
the relation {(2, 6), (5, -7)}?
Which relation(s) is/are function(s)?
43)
If f(x) = -4x + 6, then f(-4) =
Chapter 6: Solving and Graph Inequalities
y  4  5
44)
45)
2x  5  15
STATISTICS:
Find the Standard Deviation of the following set of data: 66, 62, 68, 63, 72, 69, 59.
Calculator Directions for Finding Standard Deviation: Round to the nearest tenth.
Observations
Deviations
xx
x
Squared
Deviations
( x  x )2
n = ______________
x
= ______________
SUM = __________
Variance =  2 
46)
SUM
 ______
n
Standard Deviation:
(round to the nearest
hundredth)
   2  ____________
47)
Determine the Z-Score for the given value in a normal curve with a mean of 60
and a standard deviation of 5.
a. 63
b. 57
x
z-score (z) =

48)
Approximately what percentage of the students in class B made a grade from 73
to 87?
49)
Which statement cannot be justified by one of the properties of real numbers?
a) (a – b) – 0 = 0 – ( a – b)
b) (ab)c = a(bc)
c) a + (b + c) = (a + b) + c
d) (a – b) ÷ c = a – ( b ÷ c)
50)
To train for a bicycle road race, Kim needs to ride 150 miles per week at an
average rate of 50 miles per day. The equation M = 150 – 50d gives the number of
miles, M, left to ride after d days. Which graph shows the number of miles
Sharon has to ride after d days?