WorksheetsFirst Quarter Review Algebra 2
Total questions: 128
Worksheet time: 6hrs 49mins
Define the fo0llowing:
1) Real Number
2) Rational Number
3)Irrational Number
4)Integer
5)Whole Number
6)Natural Number
Give one example of each of the above classifications:
Natural Numbers are also known as (a) numbers.
-8 ≤ x < 8
-9 < x ≤ -4
-9 < x ≤ -4
-9 < x < -8.5
[3, 5]
(-7, 15]
[14.2, 19.6)
(-63, -62)
-7 ≤ x < 8
x < 8
x < 3 or x ≥ 5
x > 6 and x ≤ 10
x ≥ 100
Zero
Rational, integer
Rational, integer, real
Rational, integer, natural
rational, integer, natural, real
Choose the best definition of the term INTEGER...
Positive numbers
Positive numbers and zero
Positive and negative whole numbers
Positive and negative whole numbers, including zero
Real Numbers are classified into 2 categories, what are they?
Fractions and decimals
Positive and Negative Numbers
Rational and Irrational Numbers
Whole Numbers and Integers
Which of the following real numbers are integers?
-3000
2.5
234
8/4
Which of the following real numbers are whole numbers?
−10
2.5
200
100
Are all whole numbers integers?
yes
no
An integer is always a whole number.
True
False
Which set do I belong to?
(1, 2, 3, 4, 5...)
Natural Numbers
Rational Numbers
Whole Numbers
Integers
Irrational Numbers
Which set do I belong to?
(...-3, -2, -1, 0, 1,2 ...)
Natural Numbers
Rational Numbers
Whole Numbers
Integers
Irrational Numbers
linear
quadratic
absolute value
inverse
constant
linear
cubic
square root
quadratic
absolute value
square root
inverse
linear
don't miss this one
you know this one
spell it RIGHT
Which of the following is the graph of y=(x+5)2−3
Which of the following is the graph of y=(x−5)2+3
The blue graph is y=∣x∣
Which of the following could be the equation of the red graph?
y=41∣x−2∣−1
y=−41∣x−2∣−1
y=4∣x−2∣−1
y=−4∣x−2∣−1
The blue graph is y=∣x∣
Which of the following could be the equation of the red graph?
y=41∣x−2∣−1
y=−41∣x−2∣−1
y=4∣x−2∣−1
y=−4∣x−2∣−1
Solve for p. 9|9 - 2p| = 81
p = 0, p = -9
p = -63/2, p = 99/2
p = 0, p = 9
No Solution
Solve.
8 - 9|10r - 9| = -73
r = 9/5, r = 0
r = 0, r = 5
r = 9/5, r = 1
r = -63/10, r= 0
Solve for k. |6 - 2k| = 18
k = -6, k = 6
k = -6, k = 12
k = -6, k = -12
k = -6, k = 5
How many solutions does the following equation have?
0 = -6|9v - 7|
no solution
one solution
two solutions
solve for z.
|-4z|=7
-7/4, 7/4
-7/4
11, 3
-11, -3
Solve the following equation:
∣ 2x + 9 ∣ = 15
x = 3
x = 3, x = −6
x = 3, x = −12
x = 6, x = −12
Solve the following equation:
|−4 + 5x| = 16
{16/5,12/5}
{4, −5}
{−12/5, 4}
{4}
Connor has sold 15 cups of lemonade at his stand and will sell 5 more cups per hour. Write an equation to represent this situation.
y = 10x + 5
y = 20x
y = 15x + 5
y = 5x + 15
Bob's Plumbing charges $15 per hour plus a service fee of $40 for coming out to your house. Which equation models this situation?
y = 15x + 40
y = 40x + 15
y = 15x
y = 15x - 40
Ace Telecommunications charges $0.12 per minute of phone use plus a monthly service fee of $8.00 for it phone service. Which equation can be used to find c, the total cost for one month when m, minutes are used?
c = 0.12m + 8m
c = 8m + 0.12m
c = 0.12m + 8
c = 0.20m
Write a linear equation in the form of y=mx+b
y = -2x - 3
y = 2x - 3
y = 3x -2
y= -3x -2
A holiday meal costs $12.50 a person plus a delivery fee of $30. Which equation represents the amount a holiday meal costs, including delivery, for x people?
y = 12.5x + 30
y = 12.5 + 30
y = 30x + 12.5
y = 30 - 12.5x
Jerry has $20 and makes $7 per hour. Which equation represents the total amount of money Jerry has after working x hours?
y = 7x + 20
y = 20x + 7
y = 20 + 7
y = 7x - 20
Write a linear equation in the form of y=mx+b
y = 2x + 3
y = -2x + 3
y = 2x -3
y = 3x - 4
Eddie's Electric charges $90 per hour plus a $50 traveling fee. Which equation models this scenario?
y = -50x + 90
y = 90x + 50
y = -90 - 50x
y = 50 - 90x
When Phil started his new job, he owed the company $65 for his uniforms. He is earning $13 per hour. The cost of his uniforms is withheld from his earnings. Write an equation that models the total money he has y after x hours of work.
y = 13x - 65
y = 13x + 65
y = 65x + 13
y = 65x + 13
Write an equation that could represent the amount of money in my account
y = 0x + 3
y = 3x
y = x + 3
y = 3x + 1
Amelia has $100 in her savings account and plans on saving $20 per week. Write an equation to represent this situation.
y = 100x
y = 20x
y = 20x + 100
y = 100x + 20
Solve the simultaneous equations
x+y=5
x-y=1
x=2, y=3
x=3, y=2
x=3, y=-2
x=-3, y=2
Solve the simultaneous equations
a+b=11
a-b=3
a=7, b = 4
a=-4, b= 7
a=4, b = 7
a=4, b= -7
Solve the system of equations using substitution:
-4x + 4y = 8
y = -2x - 10
(-4, -2)
(12, -34)
(4, -18)
(-2, -6)
What is the solution to the system?
8x + 4y = 12
y = -2x + 3
(0,3)
(3,0)
No solution(parallel lines)
Infinitely many solutions
Solve the system of equations using substitution:
y = 2x + 5
2x + 2y = 4
(1, 7)
(7, 1)
(2, 9)
(-1, 3)
Solve:
3x - y = 11
x + y = 5
x = 4
y = 1
x = 4
y = -1
x = -4
y = 1
x = -4
y = -1
Solve:
3x + 5y = 4
4x - 5y = -18
x = -2
y = 2
x = -2
y = -2
x = 2
y = -2
x = 2
y = 2
Which inequality describes this graph...
y < 3x - 2
y > 3x + 2
y < 3x + 2
y > 3x -2
This is a graph of which inequality?
y > 4x - 2
y > -2x + 4
y < -2x
y < 4X - 2
According to the graph, which point is a solution? Choose all that apply.
(0, 0)
(4, 2)
(-1, -5)
(-3, 0)
Is the point (3, 1) a solution for the following inequality? Choose the best answer that has the best explanation.
Yes because it is located in the shaded region.
No because it is located on the line and the line is dotted.
Yes because it is located on the line.
No because it is in the shaded region.
Which of the following is true of the given graph?
y ≥ -2x + 1
The graph is a dotted line, shaded above.
The graph is a solid line, shaded above.
The graph is a dotted line, shaded below.
The graph is a solid line, shaded below.
Which inequality below is equivalent to
3x - y > 4
y > 3x - 4
y < -3x + 4
y < 3x - 4
y > -3x + 4
Which of the following is "NOT" a solution for the inequality?
y ≤ 5x - 1
(0, -3)
(5, 24)
(-2, -15)
(1, 7)
Choose the correct inequality for this graph.
Which of the following is the graph of
3x - 2y < 10
Where would you find a solution for
y < -x + 4
In the shaded region above the line.
In the shaded region below the line.
On the line.
On the origin.
Which point is in the overlap of the shaded regions?
(8,-5)
(20,5)
(9,10)
(-7,1)
Which point is a solution to both inequalities?
(-10,-5)
(-20,25)
(40,30)
(40,-10)
Which point is in the overlap (solution) of the shaded region?
(5,0)
(-1,8)
(1,15)
(10,5)
Which point is part of the solution?
(4,0)
(0,4)
(10,5)
(5,10)
Use desmos. Which point is in the overlap of
y > 21x+1
y<41x+6
(5,3)
(3,5)
(1,6)
(6,1)
Use desmos to find a solution to the system:
y≥21x+2
2x+3y<12
(4,3)
(-1,3)
(2,-6)
(0,0)
Use desmos to pick the correct graph of the system:
y<x
y≥−21x+1
Use desmos. Which correctly shows the graph of the sytem:
y<−23x+1
x≥−2
Pick ALL correct answers.
Which are solutions to the system?
(-5,4)
(-5,-2)
(0,10)
(5,10)
(0,-5)
Pick ALL correct answers.
Which point are solutions to the system of inequalities?
(0,6)
(6,0)
(4,0)
(0,4)
(0,-6)
Pick ALL correct answers.
Use desmos to pick solutions to the system:
y<x
y≥21x−4
(2,0)
(0,2)
(-2,0)
(0,-2)
(10,0)
Pick ALL correct answers.
Use desmos to select solutions to the system:
y≥−5x+1
3x+4y≤24
(5,1)
(-1,5)
(5,-1)
(7,-2)
(-2,7)
The graph shows which system?
y≤−5x+10
y<32x+1
y≥−5x+10
y<32x+1
y≤−5x+10
y>32x+1
y≥−5x+10
Which system is graphed?
y>2x+6
y>41x−3
y≤−2x+6
y≤−2x+6
y<−41x−3
y≤−2x+6
y>−41x−3
Solve the system for each variable:
4c+2y+4z = 28
6c+2y = 16
3c = 6
Solve the system for each variable:
2b+v+3y = 16
5b+v = 10
3b = 3
Solve the system of equations for each variable:
. 6b+6c+2u = 22
4b+c = 9
4b = 8
Solve the system of equations for each variable:
6a+6b+2c = 50
5a+6b = 36
a = 6
Solve the system of equations for each variable:
2a+5u+3y = 14
a+2u = 5
2a = 6
Solve the system of equations for each variable:
4v+5x+4z = 26
2v+4x = 12
v = 2
Solve the system of equations for each variable:
4c+5y+6z = 36
2c+2y = 10
6c = 6
Solve the system of equations for each variable:
3b+5u+3v = 46
5b+2u = 15
2b = 2
Draw the matrix for the system of equations below. Use calculator to solve and write solution as ordered pairs.
a − 2b + c = 5
2a + b − c = − 1
3a +3b − 2c = − 4
Draw the matrix for the system of equations below. Use calculator to solve and write solution as ordered pairs.
x + 6y + 3z = 4
2x + y + 2z = 3
3x − 2y + z =0
Draw the matrix for the system of equations below. Use calculator to solve and write solution as ordered pairs.
x + y + z = 2
6x − 4y + 5z = 31
5x +2y + 2z = 13
