Is 5x and expression or equation?
expression
Alg: Solve the following systems of equations using substitution for y when:
x = 6
y = 2x - 3
y = 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 25.5 to a mixed number
25 and 1/2 or 25 and 5/10
(0.1)(0.05)
0.005
. Is 5c - 2c = 3c and expression or equation?
Equation
Alg: How many solutions does the graph have?
1 solution
How many solutions does the graph have?
Infinite solutions
What is the y intercept for y = mx + b?
b
What is -4 +11?
7
Reduce to lowest terms:
102/170
3/5
Which number is the coefficient in the equation 3x + 6 = 18
3
Alg: How many solutions does the graph have?
Alg: No solution
What is the opposite of 2?
-2
What is the slope for a line that is parallel to
y= 2x + 9?
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 in miles per hour?
6.4 mph
Solve for x : 3(x + 1) = -6
-3
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
Alg: Solve the following systems of equations using substitution:
5x - 2y = 3
y = 2x
x = 3 and y = 6
What is the inverse of -1/3?
3
What is slope intercept form?
y = mx + b
Which graph best represents: −5y=−6x+15?
C
What's the opposite of 1?
-1
Twice a number is 18 more than 5 times a number.
2x = 18 + 5x
Alg: Solve the following systems of equations using substitution:
y = 3 - x
3y + x = 5
(2,1)
Solve the equation x - 5 = 24
x = 29
Does y = -2x + 3 have a positive or negative slope?
negative
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
If a whole batch of cookie dough cost $280 and contained 14 items, what would be the price for 20 items?
$400
1. Simplify: 3y - 9 if y = 3
2. The domain is also known as...
1. 0
2. x, independent variable, and input.
Alg: Solve the system of equations
(-34, -17)
Solve for f:
15f − 23 = 2(4f + 20)
f = 9
Does y = -2x + 3 have a positive or negative y- intercept?
positive
The first flock contained 500 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?
8000 birds
Solve 9.5 – 6.9
2.6
Algebra:
1. The slope- intercept form of a linear equation is ___________.
Algebra:
1. y=mx+b
Alg:
Infinite solutions
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
What is the meaning of the word slope?
how steep
Six times a number is 45 greater than the product of the number and -3. Find the number.
5
If 200 is increased by 10 percent, what is the resulting number?
220
What is the slope and y-intercept for the following equation?
2x - 3y = 5
2/3 is the slope and -5/3 is the y-intercept
Alg: Solve:
y=8x+1
y=6x+3
(1, 9)
What is the 1st step in solving 2(x + 5)?
distribute the 2 by everything in parentheses
What is the slope for 2x + 4y = 5?
-1/2
The number of red frogs exceeded the number of blue frogs by 80. The number of green frogs was 20 less than the number of blue frogs. If there were 120 blue fogs, what was the sum of the reds, the blues, and the greens?
420 frogs
The ratio of roses to snapdragons was 4 to 5. If there were 200 roses on the float, how many snapdragons were there?
250
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
(5,-2)
Solve for x:
2x + 10 = -4x - 2
x = -2
What is the y-intercept for 2x + 4y = 5?
-5/4
Solve 3x - 9 = 4(x + 1) for x.
x = -13
What is the name of the data point in the middle of a box plot?
median