Is 2d + 5 an expression or an equation?
Neither
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
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
2xx x=1
1/2
Which number is the coefficient in the equation 3x + 6 = 18
3
How many solutions does the graph have?
No solution
7/8-1/2
3/8
Positive
A graph in which 2 sets of data are plotted as ordered pairs in a coordinate plane are called a __________.
scatter plot
You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?
$8 per pound
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
Write this as an equation:
Twice a number is 18 more than 5 times a number.
2x = 18 + 5x
Will spent $3.75 for 3 pounds of granola. What is his unit rate in dollars per pound?
$1.25 per pound
(x+5)/4=7
Solve for x
x = 23
18 - 4k = -10 - 4k
No solution, null set
Simplify: 3y - 9 if y = 3
0
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?
68
15f−23=2(4f+20)
f = 9
x + 10 -6(x - 3x) + 4
simplify
13x + 14
The slope- intercept form of a linear equation is ___________.
y=mx+b
Solve for x
15
Add the polynomials: 2a +3b + 5a -7b
7a - 4b
1821.5/0.7
2,602.142857
Algebra: Find the x-intercept and y-intercept of the following equation:
2x - 3y = 5
Algebra:
1. 2 1/2; -1 2/3
-3 + 2x = 11
solve for x
x=7
What is the answer to a subtraction problem called?
Difference
9 2/14 – 3 15/21
5 3/7
Find the slope of the line passing through this pair of points.
(2,5) and (3,6)
6
-x - 1 = 221 + 2x
Solve for x
x = -74
What does PEMDAS stand for?
Parenthesis, exponent, multiplication, division, addition, subtraction
What is the number you're dividing called?
dividend