Unit Test — Unit test Answers
0 verified answers
22
Free Preview
Which equation illustrates the identity property of multiplication?
A
(a + bi) × c = (ac + bci)B
(a + bi) × 0 = 0C
(a + bi) × (c + di) = (c + di) × (a + bi)D
(a + bi) × 1 = (a + bi)23
Free Preview
Solve for in the equation .
A
x = negative 12 plus-or-minus StartRoot 85 EndRoot
B
x = negative 6 plus-or-minus StartRoot 23 EndRoot i
C
x = 6 plus-or-minus StartRoot 23 EndRoot i
D
x = 12 plus-or-minus StartRoot 85 EndRoot
24
Which equation shows the quadratic formula used correctly to solve 5x2 + 3x – 4 = 0 for x?
A
x = StartFraction negative 3 plus-or-minus StartRoot (3) squared minus 4 (5) (negative 4) EndRoot Over 2 (5) EndFraction
B
x = StartFraction 3 plus-or-minus StartRoot (3) squared + 4 (5) (negative 4) EndRoot Over 2 (5) EndFraction
C
x = StartFraction 3 plus-or-minus StartRoot (3) squared minus 4 (5) (negative 4) EndRoot Over 2 (5) EndFraction
D
x = StartFraction negative 3 plus-or-minus StartRoot (3) squared + 4 (5) (negative 4) EndRoot Over 2 (5) EndFraction
25
Which equation could generate the curve in the graph below?
A
y = 3x2 – 2x + 1B
y = 3x2 – 6x + 3C
y = 3x2 – 7x + 1D
y = 3x2 – 4x – 2Did you find these answers helpful?
Verified answers available
TRY EDGENUITY HACKS
- Auto Complete Exams
- Auto Complete Assignments
- Skip Videos Instantly
50,000+ students using this