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WorksheetsApplied Algebra Semester 1 Final Practice Test
Total questions: 100
Worksheet time: 2hrs 40mins
What is the y-intercept in the equation?
y = 5x - 4
(a)
Find the equation of the line in slope-intercept form.
y = - 1/4x - 3
y = 3x + 3
y = -1/3x + 3
y = 1/3x - 3
y= 3x -3
Which is the graph of y=-x+2?
A
B
C
D
Select the correct graph for each inequality.
A
B
C
D
which equation best represents this graph?
y < 1/2x + 1
y < 1/2x + 2
y >1/2x + 2
y > 2x
y> 3/2x +2
Identify the inequality.
y > 2
y ≤ 1
x ≥ 2
y ≥ 1
Which of the following is not a solution to this system of inequalities?
(0,-1)
(0,3)
(4,0)
(6,-2)
Which system of inequalities matches the graph?
y > 2x - 4
y < 2
y < 2x - 4
y < 2
y > 2x - 4
y < 2
y < 2x - 4
y < -2
Which point is a solution?
(0, 6)
(-3, 4)
(1, 0)
(-4, 3)
(2.5, 1)
(1, 2.5)
(-2.5, -1)
(-1, -2.5)
Parallel Lines never intersect because...
they have the same slopes.
they have the same y-intercept.
they have different slopes.
they have different y-intercepts.
Which of the following graphs best describes a system with no solution?
Which inequality is equivalent to 7x - 2y > 8 ?
-4x + 14 ≤ 54
x ≥ - 10
x ≤ -10
x ≥ 10
x ≤ 10
Find the slope of the line that passes through the points (2, 4) and (6, 12)
1/2
-1/2
2
-2
Which graph matches the inequality
-2 ≥ n?
A
B
C
D
Which inequality matches the graph?
A
B
C
D
Is the relation a function? Why.
Yes, because the x-value 11 has two y-values pair with it.
Yes, because each x-value has only one y-value paired with it.
No, because the x-value 11 has two y-values pair with it.
No, because each x-value has only one y-value paired with it.
Which set of values is a function?
(9,5) (10,5) (9,-5) (10,-5)
(3,4) (4,-3) (7,4) (3, 8)
(6,-5) (7, -3) (8, -1) (9, 1)
(2, -2) (5, 9) (5, -7) (1, 4)
For the function f(x) = -3x + 3 find f(0).
0
-3
3
-1
Given f(x) = -4x - 10 and f(x) = 10. Find x
x = -5
x = 5
x = -50
x = 30
Solve: 2(4x - 3) - 8 = 4 + 2x
5/3
3
1
2
How many solutions does the following equation have?
4x - 8 = -2(-2x + 4)
No solutions
1 solution
Infinitely many solutions
Solve m - n = 5 for m.
m = 5 + n
m = -5 - n
m = -5 + n
m = 5 - n
Solve for the indicated variable.
A = l/w
w = l/A
w = A
w = A/l
Seven times a number plus three is less than the product of the number and 9.
7x + 3 < 9x
7x + 3 > 9x
7x + 3 < x/9
7x + 3 > x/9
Solve by elimination:
4x+9y=28
-4x-y=-28
(-7,0)
(6,0)
(-6,0)
(7,0)
Solve by elimination:
7x-9y=29
7x+2y=-15
(-4,-1)
(-1.-4)
(-1,4)
(-1,6)
In order to join a dancing club, there is a $30 startup fee and a $4 monthly fee. Write an equation in slope-intercept form that models this situation. After how many months will the total cost be $58?
7 months
6 months
5 months
4 months
What is the value of x in the solution to the system of equations?
1
5/3
8/3
7/3
Which graph does not represent y as a function of x?
An architect is designing an office building with n floors that will have an FM radio antenna 15.85 meters tall on its roof. Each floor of the building will be 3.9 meters high. Which function can be used to find the total height of the building in meters, including the FM antenna?
h(n) = 15.85n + 3.9
h(n) = 3.9n + 15.85
h(n) = 3.9n - 15.85
h(n) = 19.75n
What is the range of the function shown?
{-7, -2, 0, 5}
{-9, -4, -1}
{-9, -7, -4, -2, -1, 0, 5}
{-1}
Which of the following is equivalent to 3x - 4y = 6?
y = -6/7x
y = -3/4x
y = 4/3x + 2
y = 3/4x - 3/2
If y = -4/5x - 2, what is the value of x when y = -9?
-35/4
-55/4
35/4
55/4
The table represents points on the graph of a linear function. What is the rate of change of y with respect to x for this function?
2/9
-9/2
9/2
-2/9
Which inequality describes all of the solutions to the given inequality?
x < -9
x > 3
x < -3
x > 7
A furnace repair person charges an initial fee of $80 plus $30 per hour to do repairs. After how many hours would the cost of the repair be at least $320?
6 hours
7 hours
8 hours
9 hours
Which compound inequality is represented by the graph?
-1 < x - 1 < 4
-1 < x + 1 < 4
-2 < x - 1 < 3
-2 < 2x < 3
Determine the number of solutions to the equation.
x = -6
y = 6
no solution
infinitely many solutions
-6x + 5 = -6x + 5
no solution
two solutions
one solution
infinitely many solutions
Which of the following lines are parallel to y = -1/2x + 4?
y = 2x + 4
y = 1/2x + 2
y = 1/2x + 4
y = -1/2x + 7
Solve:
3(x - 6) = 4x - (8 + 6x)
2
0
No Solution
Identity
If f(x) = 27 - 15x - 3x2, find f (-6).
9
-171
-9693
No Solution
What is the domain of the function shown on the graph?
-2 < x ≤ 2
-2 ≤ x < 2
-4 ≤ f(x) < 4
-4 < f(x) ≤ 4
Ms. Law is on leave from work and she has a savings account. She is not getting any extra income and her bills are $899 a week. Her account can be represented by the following equations
y = 11,000 - 899x
where x is the number of weeks and y is the amount left in the account. What is a reasonable domain for this situation?
{0, 1, 2, 3, 4, 5}
{11000, 10911, 10822, 10733, 10644, 10555}
0 ≤ x ≤ 5
10555 ≤ f(x) ≤ 11000
Oceanside Bike Rental Shop charges 16 dollars plus $8.36 an hour for renting a bike. Write the equation that represents the total cost, C, in terms of the number of bike rental hours, h, purchased.
C = 8.36h + 16
h = 8.36C + 16
C = 16h + 8.36
h = 8.36C + 16
Alondra sells toy trucks and toy cars. The trucks are $3.50 and cars are $6. She earned $319. Alondra represented this situation with the following equation:
3.50x + 6y = 319
Where x is the number of trucks and y is the number of cars. What would be a reasonable domain for this equation?
{0,1,2,3,…89,90,91}
0 < x < 91
1 < y < 53
{0,1,2,3,…51,52,53}
Alondra sells toy trucks and toy cars. The trucks are $3.50 and cars are $6. She earned $319. Alondra represented this situation with the following equation:
3.50x + 6y = 319
Where x is the number of trucks and y is the number of cars. What would be a reasonable range for this equation?
{0,1,2,3,…89,90,91}
0 < x < 91
1 < y < 53
{0,1,2,3,…51,52,53}
V = πr²h
3(x - 2) = 3x - 6
2x + 3y = 13
x - 2y = 3
The graph shows the height (cm) of a candle as it burns, what is the y intercept and what does the y-intercept mean?
b=9, Candle starts at 9 cm.
b=9, the candle burns 9 inches per hour.
b=2, the candle burns 2 inches per hour.
b = 5, The candle ends at 5 cm
3x + 2y = 16
7x + y = 19
x+y=87
1.5x+0.5y=87
1.5x+0.5y=87
x+y=87
If f(x)=2x+5 , what is the value of f(8)
f(8)=15
f(8)=21
f(8)=24
f(8)=19
Which of the following represents a relation that IS a function
What is the value of f(2) when f(x)=x2+2x+2
8
10
12
14
If the function f(x)=x2−2 has a domain of {1,2,3,4,5} what is the range?
{−1,2,8,17,21}
{−1,5,15,22,54}
{−1,15,22,36,56,88}
{−1,2,7,14,23}
Solve for x: x−3(4−x)=8
x=5
x=−1
x=−5
x=−2
Solve for x: 3(x+5)=5(x+12)−13(x+1)−2
x=5
x=6
x=7
x=8
Solve the system of equations by substitution:
(5,−1)
(2,−1)
(6,−1)
(3,2)
Solve the system of equations by elimination:
(−31,34)
(91,34)
(−31,316)
(−2,2)
Solve for x: −5(x−1)=5+5(4−3x)
x=4
x=3
x=2
x=−3
What is the value of x in the solution to the system of equations?
1
5/3
8/3
7/3
Which coordinate pair is in the solution set for y<1-6x?
(1, 0)
(1, -1)
(0, 1)
(-1, 1)
3x + 2y = 16
7x + y = 19
Simplify by combining like terms.
7c -8a + 9a + 11c
18c + 1a =
-4c +17a
78911ca =
-1+ 20c
Simplify the following expression:
(5 + 4x) + (2x - 8)
13 + 6x
6x - 3
6x - 13
6x + 3
Simplify the expression:
3f + 4(2f - 5)
3f + 8f - 20
11f - 20
11f - 5
11f + 5
Simply:
-8
-4
-2
6/5
2
Find the value of the expression below when x=-4 and y=2
-3x2y+4x
-112
-88
40
-12x3y
The expression is already simplified
Which of the following is equivalent to the expression below?
4x + 3(2x - 1) - 4x
6x - 3
6x + 3
14x - 3
14x + 3
3x
1-4x≤21 or 5x≥25
x≥ -5 or x≥5
x≤ -4 and x≤ 8
No Solutions
All Real Numbers
None of the above
Elber bought 11 binders and notebooks from the store and spent $45. Binders cost $6 each and notebooks cost $2.50 each. Which equations would you use to find the numbers of binders, b, and notebooks, n, she purchased
b+n=11
b+n=45
6b+2.5n=11
6b+2.5n=45
2.5b+6n=11
Valley Video charges a $15 annual fee plus $3 per movie for rentals. Last year, Jennifer spent $99 at the video store. How many movies did she rent? Write the linear equation and solve for the number of movies.
15x + 3x = 99 and 6 movies
15x + 3 = 99 and 6 movies
3x + 15 = 99 and 28 movies
3x + 99 = 15 and 28 movies
15x+99= 3 and 6 movies
(3 + 4)2 - 32
7
112
17
-7
6 + 32 x 4 - 22 ÷ 4 =
51
41
14
18
y = 17x - 8?
Solve.
z + 3(2 + 4z) = 6(z+1) + 5z
0
2
No solution
All real numbers
Solve the following equation for x:
3x + 8 = 8 + 3x
x = 3
x = 8
infinite solutions
x = 0
10x + 2x + 5 = 8x + 4x + 7
George rented a bike for 4 hours. There was a $10 dollar deposit to pay in addition to the hourly rate. What was the hourly rate if the total came to less than or equal to $65?
Select ALL the values of x that make the following inequality true.
-3(x+1)>15
0
-5
-6
-6.5
-12
Find the value of x:
x=4
(a)
x2 - 64 = 0
x2 = 100
10
10 or -10
50
50 or -50
