Subtract and simplify. Write the answer as a mixed number if possible.15
- 
A. 13
B. 14
C. 15
D. 14
Answer: D
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List the intercepts of the graph. 
A. (0, 6), (-6, 0) B. (0, 6), (0, -6) C. (6, 0), (0, -6) D. (6, 0), (-6, 0)
Interpret what the negative number means in the real-life situation. Performance of a certain stock yesterday: -4.75 points
A. Loss of 4.75 points yesterday B. Gain of 4.75 points yesterday
Use the quadratic formula to find all real solutions of the equation.
A. x = 3, x = -0.5 B. x = 3.5, x = 0.5 C. x = -3, x = -0.5 D. x = -3.4, x = 0.5 E. x = 3, x = 0.5 F. no real solutions
Provide an appropriate response.For any augmented matrix of a system of linear equations, which of the following row transformations will not necessarily result in a matrix of an equivalent system?(i)Adding to the elements of any row a multiple of the corresponding elements of another row.(ii)Interchanging any two columns.(iii)Multiplying the elements of any row by the corresponding elements of another row.(iv)Multiplying the elements of any row by any nonzero number.
A. (ii) B. (ii), (iii) C. (ii), (iii), (iv) D. (i), (iv)