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If $0deg < a < 360deg$, then the equation $sin(a) = cos(a)$ has how many solutions?
1. no solutions
2. two solutions
3. three solutions
4. one solution
5. four solutions
Grade 8 Linear Equations CCSS: 8.EE.C.7, 8.EE.C.7a
The lines $2y=x-5$ and $6y+2x=7$ have
1. no solutions.
2. 1 solution.
3. infinite solutions.
4. 2 solutions.
Grade 8 Linear Equations CCSS: 8.EE.C.7, 8.EE.C.7a
The lines $4y-5=3x$ and $y=5x-1$ have
1. no solutions.
2. 2 solutions.
3. infinite solutions.
4. 1 solution.
Grade 8 Linear Equations CCSS: 8.EE.C.7, 8.EE.C.7a
The lines $6x+2y-1=4$ and $4x-4=-2y-2x+1$ have
1. no solutions.
2. 2 solutions.
3. infinite solutions.
4. 1 solutions.
2x + 3y = 1
3x + 2y = 1
1. one solution
2. no solution
3. infinite # of solutions
(1, -4)

y = -4x
y = 2x - 2
1. solution
2. not a solution
Grade 8 Linear Equations CCSS: 8.EE.C.7, 8.EE.C.7a
The lines $2y=10x$ and $y=5x$ have
1. no solutions.
2. 2 solutions.
3. infinite solutions.
4. 1 solutions.
College Acids and Bases
A substance that has a pH above 7.0 is considered to be a(n):
1. neutral solution
2. acid solution
3. alkali solution
4. reducing solution
Grade 8 Systems of Equations CCSS: 8.EE.C.8, 8.EE.C.8b
The lines $4y-3y=3x+8$ and $y=3x+5$ have
1. no solutions.
2. 1 solution.
3. infinitely many solutions.
4. 2 solutions.
Grade 8 Systems of Equations CCSS: 8.EE.C.8, 8.EE.C.8b
The lines $18y+6x+5=12y-4x-10$ and $y=-2x-3$ have
1. no solutions.
2. 1 solution.
3. infinitely many solutions.
4. 2 solutions.
Grade 8 Systems of Equations CCSS: 8.EE.C.8, 8.EE.C.8b
The lines $2y-x-5=y+x+2$ and $y=2x+7$ have
1. no solutions.
2. 1 solution.
3. infinitely many solutions.
4. 2 solutions.
Grade 8 Linear Equations CCSS: 8.EE.C.7, 8.EE.C.7a
6X + 3 = 3 + 6X
1. No Solution
2. One Solution
3. Infinite Solution
Grade 8 Linear Equations CCSS: 8.EE.C.7, 8.EE.C.7a
4(8n - 1) = 19 + 32n
1. No Solution
2. Infinite Solutions
3. One Solution
Grade 8 Linear Equations CCSS: 8.EE.C.7, 8.EE.C.7a
1 = 5 + p - p
1. No Solution
2. One Solution
3. Infinite Solutions
If two equations are equal what does that mean?
1. There is no solution.
2. There are infinite solutions.
3. There is one solution.
Grade 8 Systems of Equations CCSS: 8.EE.C.8, 8.EE.C.8b
The lines $4y-2y+3x=2x+8$ and $y=3x+5$ have
1. no solutions.
2. 1 solution.
3. infinitely many solutions.
4. 2 solutions.
Grade 8 Systems of Equations CCSS: 8.EE.C.8, 8.EE.C.8b
The lines $3y=x-2$ and $6y-2x=-4$ have
1. no solutions.
2. 1 solution.
3. infinitely many solutions.
4. 2 solutions.
Grade 8 Systems of Equations CCSS: 8.EE.C.8, 8.EE.C.8b
The lines $18y+6x+5=12y-4x-10$ and $6y=-10x-15$ have
1. no solutions.
2. 1 solution.
3. infinitely many solutions.
4. 2 solutions.
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