Ch. 6.1
How many solutions exist for a set of parallel lines?
No Solution
If x=2 and 3x+y=5, what is the value of y?
-1
What is the method you use when you try to cancel a specific variable out in a system of equations?
Elimination
When you have this inequality <, where do you shade?
Below the line
What is the capital of Rhode Island?
Providence
Find how many solutions exist for the following system of equatons.
y=2x
y-2x=0
infinitely many solutions
When solving the system of equations, which expression can be substituted in for r in the second equation?
r=4-t
3r+2t=15
4-t
Use elimination to solve the system of equations.
x-y=5
x+y=3
(4,-1)
When you have this inequality >, what kind of a line do you have?
Dotted Line
Where is the White House located?
Washington D.C.
What is the answer to #1 on your study guide?
No solution
Use substitution to solve the system of equations.
n=3m-11
2m+3n=0
(3,-2)
Use elimination to solve the system of equations.
x+6y=10
x+5y=9
(4,1)
What is the answer to #29 in your study guide?
(1,1)
Who was the first president of the United States of America?
George Washington
What is the answer to #2 on your study guide?
One Solution
Use substitution to solve the system of equations.
x+2y=1
2x+5y=3
(-1,1)
Use elimination to solve the system 8x-7y=5 and 3x-5y=9 for y.
-3
What is the answer to #31 in your study guide?
A.
Who is on the $100 dollar bill?
Benjamin Franklin
What is the answer to #4 on your study guide?
Infinitely many solutions
Your teacher is giving a test that has 12 more three-point questions than five-point questions. The test is worth 100 points. What is the system of equations that represents this situation?
x-y=12
3x+5y=100
Adult tickets for the school musical sold for $3.50 and student tickets sold for $2.50. Three hundred and twenty-one tickets were sold altogether for $937.50. How many of each kind of ticket were sold?
135 adult tickets and 186 student tickets
The Camp Courage Club plans to sell tins of popcorn and peanuts as a fundraiser. The Club members have $900 to spend on products to sell and want to order up to 200 tins in all. They also want to order at least as many tins of popcorn as tins of peanuts. Each tin of popcorn costs $3 and each tin of peanuts costs $4. Write a system of equations to represent the conditions of this problem.
x+y is less than or equal to 200
3x+4y is less than or equal to 900
y is greater than or equal to x
What is the capital of Hawaii?
Honolulu