Question 1
Translate the following word problem into an equation:
Twice a number decreased by 5 is equal to 15.
2x+5=15
2x−5=15
x−5=2
2x+15=5
Question 2
Solve the linear equation: 3x+7=22
x=5
x=3
x=7
x=4
Question 3
Solve the system of equations:
2x+y=10
x−y=3
x=2,y=4
x=5,y=3
x=4,y=2
x=3,y=1
Question 4
Interpret the linear equation in context:
The cost C of renting a car is given by C=40+0.25m where m is the number of miles driven. What does the number 40 represent?
The cost per mile
The total cost
The base rental fee
The mileage limit
Question 5
Understand the graph of the equation:
"Which of the following points lies on the graph of the equation y=2x+3?"
(1, 5)
(2, 5)
(0, 3)
(3, 9)
Question 6
If x represents the number of apples, and y represents the number of oranges, and x+y=10, and 2x−y=6, what is x?
x=4.33
x=5.33
x=5
x=6.33
Question 7
Which of the following inequalities is true for all 𝑥 > 2 ?
[Tex]x^2>4x[/Tex]
[Tex]x^2 < 4x[/Tex]
[Tex]4^2≥4x[/Tex]
[Tex]x^2 ≤ 4x[/Tex]
Question 8
If [Tex]f(x)=2x ^2 −3x+1 [/Tex], Find f(2).
1
3
5
7
Question 9
If 3x=5y, what is the ratio 𝑥 /𝑦 ?
3/5
5/3
2/3
3/2
There are 9 questions to complete.