Write an algebraic expression to represents the following statement:
One half of a number, x, increased by 5 is equal to three-fourths the number decreased by 2.
(1/2)x+5 = (3/4)x-2
100
Which of the following equations has a slope of 3?
a. y = 5x + 3
b. y = 3x - 4
c. y = -3x + 3
B
100
What does slope mean?
Rate of change
100
Emily rides her bike 24 miles in 3 hours.
How many miles does Emily ride in 1 hour?
8 miles
200
Which number below is the greatest?
0.00025 1 x 10 3.1 x 10² 2.75 x 10
3.1x10^2
200
Evaluate the following expression if x = 23.1 and y = 3.7
2x + y
49.9
200
Solve the equation for x. 6x – 4 = 4x + 10
x=7
200
What is the slope of the equation y=4x+5
Slope=4
200
Emily rides her bike 24 miles in 3 hours.
How many miles does Emily ride in 5 hours?
40 Miles
300
Change to Standard Form
2.75x10^5
275,000
300
Evaluate the expression for x=5
2(x+5)-2
18
300
. Solve the equation for x. 7x + 6 = 41
x=5
300
A line has a slope of 2/3 and goes through the point (1,4)
Name 2 additional points on the line
some answers are (-2,2) , (4,6) , (7,8) , (10,10)
300
Emily rides her bike 24 miles in 3 hours.
How long does it take her to ride 60 miles?
7.5 hours
400
Evaluate (5.5 ×10^4)/(1.1×10^2 )
5.0x10^2
400
If x + 3y = 12, find the value of y when x is 6
y=2
400
Which statement or statements are true about the following equation?
y = 2x + 5
a. The slope is 5.
b. It is a positive slope.
c. The slope is 2.
d. There is a point on the line at (0, 5)
B, C, and D
400
What are the slope and the y-intercept of the equation:
y=-4x+9
Slope=-4
y-int=9
400
Nina wants to sign up for swim classes. She can go to the school or the recreation center. The school charges $6 per visit. The recreation center charges an initial fee of $15 plus $3 per visit.
Write an equation, using x for the number of visits, to represent each option
School=6x
Rec Center=15+3x
500
(4.2x10^6)(2.0x10^3)
8.4x10^9
500
Michael discovered that he gets 66 miles per 2 gallons of gas from his car when he travels on the highway.
How many miles can Michael travel on a full tank of 12 gallons of gas
396 miles
500
Which of the following could be the first step when solving the equation below?
-6-2(x-5)=30
A Add 2 to both sides
B add 6 to both sides
C subtract -6 - 2
D add 5
B
500
Find the slope using the two points (0,5) and (1,8)
Slope=3
500
Michael discovered that he gets 66 miles per 2 gallons of gas from his car when he travels on the highway.
Write his miles per gallon as a unit rate.