Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
MATH-AII SBH-Blubaugh-Review Real and complex numbers 1 What is the solution set for A B C D 2 [Exam ID:29PB71] Scan Number:5630 3x 2 + 48 = 0 ? {6.9, -6.9} {4, -4} {2i , -2i } {4i , -4i } What is the solution set for (3 x + 1)2 = 0? F {-1} 1 G {- } 3 1 H { , 1} 3 1 J {-1, - } 3 3 What is the solution to the following equation? ( x - 3)2 = 14 A B C D 4 x x x x = 3±√14 = 1 or x = 5 = -3±√14 = -5 or x = -1 What is the solution set for F G H J {-i √6} {4√5, -4√5} {i √5, -i √5} {4i √5, -4i √5} b 2 + 80 = 0 ? 5 Which is the solution set for (x +5)2 = 0 ? A B C D { -5, 5 } { 5 } { -5 } { 25 } 6 What is the solution set for the given equation? 1 2 x + 18 = 0 2 F {8i , -8i } G {4i , -4i } H {6i , -6i } J {16i , -16i } 7 What is the solution set for x 2 - 16 = 0? A B C D 8 Which is equivalent to (3 + 5i )2? F G H J 9 {0, 4} {-4} {4} {-4, 4} - 16 + 30i - 16 + 15i - 16 34 Which is an equivalent form of the following expression? √-49 A B C D -7 7i -7i 7 10 What number does i 2 equal? F -1 G 1 H J 11 Which is an equivalent form of the following expression? √-9 - 2√-4 A B C D 12 - 7i - 5i 3 + 8i -i Simplify: 4 - 2i 7 + 3i 13 - 17i 29 11 - 14i G 29 11 - 13i H 29 17 - 13i J 29 F 13 Which number is equivalent to (-6 - i ) + 5i - (11 + 13i ) ? A B C D -17 - 9i -17 + 17i -5 - 9i -5 + 17i 14 Which complex number is equivalent to (7 - 9i ) - (-1 + 3i )? F G H J 8 - 6i 6 - 12i 8 - 12i 6 - 6i 15 Which is an equivalent form of the following? A B C -9 D 16 Which is an equivalent form of the following expression? √-100 - √-4 F G H J -12i -8i -8 8i 17 Which is an equivalent form of the following expression? 2√-9 A B C D 6i -6 -6i 5i 18 If defined, which is an equivalent form of this expression? 3 5yz 4 • 10x y 4z 3 F G H J zy 5z 5 2 xz 3 3y 3 z 3 2xy 3 9 10xy 5z 5 19 Which is a true statement? A 1 = -i B -i = √-1 C √-1 = i D i = √1 20 Which is equivalent to the expression below? (1 + 3i )(3 + i ) F G H J 6 + 10i 10i 3 - 10i 6 + 6i 21 Which is an equivalent form of the following expression? √-4 - 3√-25 A B C D 2 + 15i - 5i -15 - 13i 22 Which is equivalent to (6 + √7)(5 + √7) ? F G H J 11 + 2√7 30 + 11√7 30 + 18√7 37 + 11√7 23 What is the simplified form of √6 • √21? A 21 B 3√14 C 14√3 D 63 24 Which expression is equivalent to ? F G H J 25 Which is equivalent to A ? B C D 26 Which is not an equivalent form of the following expression? 2 3 √ 4 G √ 9 F H J 4 √ 9 27 Which is equivalent to A B C D 28 Which expression is equivalent to F G H J ? ? 29 Which is equivalent to A B C D 30 Which is equivalent to F 12 G 4 H 8 J 64 ?