Evaluate.Let a = 3i, b = i + j. Find 4a + b.

A. 11i + j
B. 13i + j
C. 13i + 4j
D. i + 13j

Answer: B

Mathematics

You might also like to view...

Divide. Simplify, if possible. ÷ 

A.
B.
C.
D.

View
Mathematics

Find all square roots of the number.64

A. 10, -10 B. 8, -8 C. 16, -16 D. 9, -9

View
Mathematics

Add and subtract as indicated.-9 - 15 + 19

A. -13 B. -5 C. 13 D. 25

View
Mathematics

Perform the indicated operations. Write the resulting polynomial in standard form.(5x + 12y)(5x - 12y)

A. 25x2 + 120xy - 144y2 B. 25x2 - 120xy - 144y2 C. 25x2 - 144y2 D. 10x2 - 24y2

View
Mathematics