Is 2d + 5 an expression or an equation?
None
PA: Convert 120 ft = _________yd
Alg: Solve the following systems of equations using substitution:
x = 6
y = 2x - 3
40 yd
(6,9)
What are the "like" terms in the expression 6h + 5y - 2y +8
5y and -2y
What is the slope of the graph of: y=12x−19?
12
Algebra:
1. Find the total price of a sweatshirt that is priced at $48 and taxed at 6.5%.
2. Solve 5x - 3y = 9 for y.
Algebra:
1. $51.12
2. y = 5/3x - 3
. Is 5c - 2c = 3c and expression or equation?
Equation
How many solutions does the graph have?
Alg: 1 solution
How many solutions does the graph have?
Infinite solutions
Solve for k:
4(−2k−8)=6(k+18)
k = -10
Algebra:
1. On a map of North Carolina, the distance between Charlote and Wilmington is 14.75 in. If 2 in equals 24 miles, what is the approximate distance between the two cities?
2. Shanee bikes 5 miles to the park in 30 min and 3 miles to the library in 45 min. What is her average speed?
Pre-Algebra:
1. Evaluate: − 6 + 3(9 - 7)
2. Evaluate: −8 ÷ 8 (1 + 3) - 1
Algebra:
1. 177 mi
2. 6.4 mph
Pre-Algebra:
1. 0
2. -3
Which number is the coefficient in the equation 3x + 6 = 18
3
How many solutions does the graph have?
No solution
18 - 4k = -10 - 4k
No solution
Which graph best represents: −5y=−6x+15?
C
Algebra:
1. A graph in which 2 sets of data are plotted as ordered pairs in a coordinate plane are called a __________.
Pre-Algebra:
1. Addition and subtraction are examples of _________.
Algebra:
1. scatter plot
Pre-Algebra:
1. Inverse operations
PA: You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?
Alg: Solve the following systems of equations using substitution:
5x - 2y = 3
y = 2x
$8 per pound
(3, 6)
Evaluate
x^3 – xy – 4 if x = 2 and y = 1/2
3
x + 10 -6(x - 3x) + 4
13x + 14
For 4 hours Sam traveled at 40 miles per hour. Then he increased his speed to 60 miles per hour and drove for another 3 hours. How far did he go in the 7 hours he traveled?
340 mi
Twice a number is 18 more than 5 times a number.
2x = 18 + 5x
Solve the following systems of equations using substitution:
y = 3 - x
3y + x = 5
(2,1)
(x+5)/4=7
Solve for x
x = 23
1. Simplify: 3y - 9 if y = 3
2. The domain is also known as...
1. 0
2. x, independent variable, and input.
PA: There are 4 milk chocolates to every 2 dark in a box of chocolates. There are 34 dark chocolates in the box. How many milk chocolates are in the box?
Alg:
68
(-34, -17)
15f−23=2(4f+20)
f = 9
Algebra:
1. The slope- intercept form of a linear equation is ___________.
Pre-Algebra:
1. __________ contains the same variable.
Algebra:
1. y=mx+b
Pre-Algebra:
1. like terms
1. Add the polynomials: 2a +3b + 5a -7b
2. Subtract the polynomials: (9x2-4x+11) - (3x2-2x+2)
1. 7a - 4b
2. 6x2-2x+9
Algebra: Find the x-intercept and y-intercept of the following equations:
1. 2x - 3y = 5
2. 6x + 2y = 8
Pre-Algebra:
1. Twelve of the 28 students in math class have blonde hair. In simplest form, what fraction of the students in math class do not have blonde hair?
2. How many bricks, each 0.25 meters long, are needed to make a row that is 7.25 meters long?
Algebra:
1. 2 1/2; -1 2/3
2. 1 1/3; 4
Pre-Algebra:
1. 4/7
2. 29 bricks