Provide an appropriate response.Can non-square matrices have inverses? Why or why not?
What will be an ideal response?
No. Only square matrices can have inverses, because both A-1A and AA-1 must exist and be equal to I. (Explanations may vary.)
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Determine the discriminant of the quadratic equation. Use the value of the discriminant to determine whether the quadratic equation has two rational solutions, two irrational solutions, one repeated real solution, or two complex solutions that are not real.x2 - 5x - 6 = 0
A. Two irrational solutions B. One repeated real solution C. Two complex solutions that are not real D. Two rational solutions
Divide. Write the answer in lowest terms and as a whole or mixed number where possible.
A. 5
B. 1
C. 
D. 
Solve the linear inequality. Other than ?, use interval notation to express the solution set and graph the solution set on a number line.-7x ? 35
A. (-?, -5]
B. [5, ?)
C. [-5, ?)
D. (-?, 5]
Simplify.7286 ? 10
A. 72,861 B. 728,610 C. 72,860 D. 7286