Determine if the following is a linear equation in one variable. If not, state why.10x - 12 = 4x-1 - 48
A. It is a linear equation in one variable.
B. It is not a linear equation in one variable because x-1 has an exponent other than 1.
C. It is not a linear equation in one variable because it is not an equation.
D. It is not a linear equation in one variable because it has more than one variable.
Answer: B
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Determine the standard equation of the hyperbola with the given characteristics and sketch the graph.The center is at (0, 0), a vertex is at (0, 3), and a focus is at (0, -3
).
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Complete the table.InputOutput19.8 × 1 - 0.4 =29.8 × 2 - 0.4 =39.8 × 3 - 0.4 =49.8 × 4 - 0.4 =
A.
| Input | Output |
| 1 | 9.8 × 1 - 0.4 = 9.4 |
| 2 | 9.8 × 2 - 0.4 = 9 |
| 3 | 9.8 × 3 - 0.4 = 8.6 |
| 4 | 9.8 × 4 - 0.4 = 8.2 |
B.
| Input | Output |
| 1 | 9.8 × 1 - 0.4 = 10.4 |
| 2 | 9.8 × 2 - 0.4 = 11.4 |
| 3 | 9.8 × 3 - 0.4 = 12.4 |
| 4 | 9.8 × 4 - 0.4 = 13.4 |
C.
| Input | Output |
| 1 | 9.8 × 1 - 0.4 = 10.2 |
| 2 | 9.8 × 2 - 0.4 = 20 |
| 3 | 9.8 × 3 - 0.4 = 29.8 |
| 4 | 9.8 × 4 - 0.4 = 39.6 |
D.
| Input | Output |
| 1 | 9.8 × 1 - 0.4 = 9.4 |
| 2 | 9.8 × 2 - 0.4 = 19.2 |
| 3 | 9.8 × 3 - 0.4 = 29 |
| 4 | 9.8 × 4 - 0.4 = 38.8 |
Write an expression in terms of the given variable(s) that represents the indicated quantity.Joel's total earning after 3 years if the first year his salary was s dollars, the second year it was $7000 higher, and the third year it was twice as much as the first year.
A. 3s + 7000 dollars B. 2s + 7000 dollars C. 4s + 7000 dollars D. 3s + 7000s dollars
Write the repeating decimal using an ellipsis.5.
A. 5.028028028 . . . B. 5.28282828 . . . C. 5.280280280 . . . D. 5.208208208 . . .