Systems
Solve the following system of equations:
x+y=5
x−y=1
What is x=3 y=2?
A=[1 2 4
5 7 8]
B=[−3 2 0
−1 6 5]
A+B= ______.
[-2 4 4
4 13 13]
Consider the following function. (4,2) (9,3) (1,1) (16,4)
1, 4, 9, 16 is the ______.
What is the domain?
Consider the line y=2/3x-4. 2/3 represents the....
0.04x+ 0.06(10,000-x)=480. X is ______.
What is 6000?
Solve the system below:
x+2y=7
3x−y=8
What is x=3 and y=2?
A=[1 2 4
5 7 8]
B=[−3 2 0
−1 6 5]
A-B= ______.
[4 0 4
6 1 3]
Consider the following function. (4,2) (9,3) (1,1) (16,4)
1, 2, 3, 4 is the ______.
What is the range?
Consider the line -2x+4y=6. The slope is...
What is 1/2?
y=x^2. The rate of change from x=3 to x=4 is _____.
What is 7?
Solve the following system of equations:
4x+5y=9
2x−y=3
What is x=2 and y=-1 ?
What are the dimensions of the matrix below?
[258
137]
What is a 2x3?
2⌈2.2⌉ is ______.
What is 6?
Find an equation of the line through (-9, -1) and (-5,4). Write it in point slope form and simplify.
What is y+1=5/4(x+9)
y=x^2. The rate of change from x=4 to x=5 is _____.
What is 9?
A boutique specializes in leather goods. Last month, the company sold 67 wallets and 28 belts, for a total of $3,628. This month, they sold 67 wallets and 94 belts, for a total of $7,126. How much does the boutique charge per item?
The boutique charges $32 for a wallet, and $53 for a belt.
You can ______ or _______ matrices with the same dimensions.
What is add or subtract?
5, 10, 15, 20 is a _________ sequence.
What is an arithmetic?
Write the equation of a line that passes through the point (2,−3) and is parallel to the line given by the equation:
y=3/5x+7
y+3=3/5(x-2)
Suppose y varies inversely as the square of x. How does the value of 7 change if the value of x is multiplied by 4?
It is divided by 16.
A boy scout troop is selling Christmas trees at a local tree lot. In the morning, the they sold 2 Douglas Fir trees and 3 Noble Fir trees, earning a total of $280. In the afternoon, they sold 11 Douglas Fir trees and 17 Noble Fir trees, earning a total of $1,573. How much doe each type of tree cost?
A Douglas Fir costs $41 and a Noble Fir costs $66.
If a 2x3 matrix is multiplied by a 3x2 matrix, the product is ______.
What is a 2x2 matrix?
Find g(x) when f(x) is translated 4 units right of f(x)=x².
What is g(x)= (x-4)²
Write the equation of a line that passes through the point (−4,2) and is perpendicular to the line given by the equation:
y=−2/3x+5y
y-2=3/2(x+4)
A river that was already 5 feet above flood stage began rising at the rate of 2 inches per hour. An equation that relates the number of inches h above flood stage to the number of hours t that the river has been rising is _______.
What is h=2t+60