Is 2d + 5 an expression or an equation?
Expression
Solve the following systems of equations using substitution:
x = 6
y = 2x - 3
(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
Convert 250.025 to a mixed number.
250 1/ 40
Is 5c - 2c = 3c and expression or equation?
Equation
How many solutions does the graph have?
1 solution
How many solutions does the graph have?
Infinite solutions
Solve 5x - 3y = 9 for y
y = 5/3x - 3
Which number is the coefficient in the equation 3x + 6 = 18
3
How many solutions does the graph have?
No solution
Addition and subtraction are examples of _________.
Inverse operations
Solve the following systems of equations using substitution:
5x - 2y = 3
y = 2x
(3, 6)
Evaluate
x^3 – xy – x/y if x = 2 and y = 0.5
3
Solve for k:
4(−2k−8)=6(k+18)
k = -10
Which graph best represents: −5y=−6x+15?
C
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
18 - 4k = -10 - 4k
No solution
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
1. Simplify: 3y - 9 if y = 3
2. The domain is also known as...
1. 0
2. x, independent variable, and input.
(-34, -17)
15f−23=2(4f+20)
f = 9
x + 10 -6(x - 3x) + 4
13x + 14
The first flock contained 5283 birds. The second flock contained 5 times as many birds. The third flock had twice as many birds as the second flock. How many birds were there in all?
84,528 birds
The slope- intercept form of a linear equation is ___________.
y=mx+b
15
Algebra:
1. Add the polynomials: 2a +3b + 5a -7b
2. Subtract the polynomials: (9x2-4x+11) - (3x2-2x+2)
Algebra:
1. 7a - 4b
2. 6x2-2x+9
Six times a number is 45 greater than the product of the number and -3. Find the number.
5
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?
1. 4/7
2. 29 bricks
Alg: Solve:
y=8x+1
y=6x+3
10
(1, 9)
Algebra: Find the slope of the line passing through each pair of points.
1. (2,5) and (3,6)
2. (6,-4) and (-3,7)
Algebra:
1. 6
2. 3
Alg: What is the solution to this system?
2x + 3y = 4
y= 5x - 27
4
(5,-2)

6. F
7. B