Provide an appropriate response.Let M be a 5 × 5 matrix. Which of the following statements are true?(i)I5 M = M(ii)I5 + M = M(iii)MI5 = I5(iv)MI5 = M
A. (i), (iv)
B. (i), (iii), (iv)
C. (ii), (iii)
D. (i), (ii), (iii), (iv)
Answer: A
Mathematics
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? p ? r
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A. 0.14 km B. 1.4 dm C. 1.4 m D. 1.4 cm
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Simplify the following by combining like terms.-7r + 12r4 - 7r4 + 10r
A. 8r B. 8r4 C. 3r + 5r4 D. cannot be simplified
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Find the quotient and the remainder.x4 + 8x2 + 9 divided by x2 + 1
A. x2 + 7x + 
; remainder 0
B. x2 + 7x + 1; remainder 2
C. x2 + 7; remainder 0
D. x2 + 7; remainder 2
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