Provide an appropriate response.Find the mistake in the following problem: 2
- 1
= 2
- 1
= 1
What will be an ideal response?
Borrowing is required.
2
- 1
= 2
- 1
= 1
- 1
= 
Mathematics
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Provide an appropriate response.Add 
+ 
and reduce answers to lowest terms with improper fractions changed to whole or mixed numbers.
A. 
B. 
C. 
D. 
Mathematics
Perform the indicated division or state that the expression is undefined.-23 ÷ (-1)
A. undefined B. -23 C. -1 D. 23
Mathematics
Determine which value(s), if any, must be excluded from the domain of the variable in the expression.
A. x = 0, x = -7 B. x = 0, x = -7, x = -3, x = -2 C. x = -7 D. x = -3, x = -2
Mathematics
Use a graphing calculator to determine the x-intercepts.f(x) = 4x2 - 28x + 40
A. (-2, 0),(-5, 0) B. (2, 0), (5, 0) C. (4, 0), (2, 0), (5, 0) D. (0, 0), (2, 0), (5, 0)
Mathematics