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- 1. Multiple ChoiceWhat are systems of linear equations?a set of two or more linear equations in the same variablesa polynomial with three termsset of two or more linear inequalities in the same variables
- 2. Multiple ChoiceIf a system of equations has no solution, what does the graph look like?intersecting linesparallel linesskew linesintersecting lines
- 3. Multiple Choice
What is the solution?(1, -1)(-1, 1)(0, -2)(2, 0) - 4. Multiple ChoiceWhen you graph the exact same equation twice,you will have no solution.you will have one solution.you will have infinite solutions.you will graph a giraffe.
- 5. Multiple ChoiceHow many solutions will this system have?No solutionOne SolutionI Don't KnowInfinitely Many Solutions
- 6. Multiple ChoiceWhat is the solution?1-2(1, 2)(1, -1)
- 7. Multiple ChoiceIf a system of linear equations has one solution, what does this mean about the two lines?Parallel linesthe same lineIntersecting lines
- 8. Multiple Choice
Solve the following system of equations by graphing:
(4, -4)
(-4, 4)
no solutions
(0, 0)
- 9. Multiple Choice
Solve the following system of equations by graphing:
Infinite solutions
(2, -2)
(1, 0)
(3, -4)
- 10. Multiple Choice
Solve the following system of equations using the elimination method:
(-2, 1)
no solutions
(-2, 0)
(-1, -3)
- 11. Multiple Choice
Solve the following system of equations using the elimination method.
infinite solutions
(0, -2)
no solutions
(0, 2)
- 12. Multiple ChoiceHow many solutions does this system of equations have?One SolutionNo solutionInfinitely Many SolutionsTwo Solutions
- 13. Multiple ChoiceSolve for x and y
3x + 2y = 16
7x + y = 19(-2,5)(-2,-5)(2,-5)(2,5) - 14. Multiple ChoiceSolve the system of equations by substitution.
y = -4x + 5
y = 3x - 16(-3, -25)(3,-7)(11, 17)(21, 47) - 15. Multiple ChoiceWhich of the following shows the solution to the system?
y= -1/4x + 4
y = 2x + 2ABCD - 16. Multiple Choice
At a restaurant the cost for a breakfast taco and a small glass of milk is $2.10. The cost for 2 tacos and 3 small glasses of milk is $5.15. If a system of equations is written, which would be the correct representation of the 2 variables?
t: # of tacos
m: # of glasses of milk
t: Cost of each taco
m: Cost of each glass of milk
t: total cost
m: # of food items
t: Cost of each glass of milk
m: Cost of each taco
- 17. Multiple ChoiceSolve the system using any method.
−4x − 4y = 0
4x + 4y = 0(−6, −4)Infinite number of solutionsNo solutions(6, 4) - 18. Multiple ChoiceSolve by elimination:
3x+7y=23
-3x-7y=-17No solutionARN(-3,3)(3,3) - 19. Multiple ChoiceSolve by graphing:
y=5x+3
y=-2x-4(2,-1)(-1,-2)(1,-2)(-2,-1) - 20. Multiple ChoiceHow can you tell if a point is a solution to a system?It makes the first equation true.The (x,y) coordinates satisfy both equationsIt makes logical senseIt makes neither equation negative
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