project

SPI 3103.2.1

Which quadrant of the complex plane contains the point -2+i?
A Quadrant I
B Quadrant II
C Quadrant III
D Quadrant IV

SPI 3103.2.2

Which is the sum of –(5-3i) and 4+3i?

SPI 3103.2.3

Solve log2 (x2-1)=3

SPI 3103.3.1

Add: (3X2-2) + (X3-4X + 5)

A x3 + 3x2 – 4x + 3
B 4X3 – 6X + 5
C 4X2 + 2X + 3
D 6X3 + 3X2

SPI 3103.3.2

What are the solutions of the equation ( 2x – 3)2 = 36?

F 3/2, 0
G 9/2, -3/2
H -6,6
J 39/2, -33/2

SPI 3103.3.3

Which is the simplified form of X2 – y2 / ( x – y)-2?

F –( x – y)3(y + x)
G ( y – x2)(x – y2)
H ( y – x)4
J ( x + y)( x – y)3

SPI 3103.5.4

A set of data is normally distributed with a standard deviation of 9. If the value 101 is two standard deviations above the mean, what is the mean?

F 83
G 95
H 119
J 92

SPI 3103.2.1

If z= 4 – 3i, what is z?
A 1
B
C 5
D 25

SPI 3103.2.2

Simplify 3i(5i)
A 15i
B -15
C 8i
D 8i2

SPI 3103.2.3

Solve Jason drops a rubber ball from a bridge 80 meters above a gorge. The height h of the ball above the ground as it falls can be found using the equation h = -9.8t2 + 80, where t is the time in seconds. Estimate the height of the ball above the ground when t= 2 seconds.
F about 100
G about 110
H about 120
J about 130

SPI 3103.3.1

Subtract: ( 3x2 – 5x + 2) – (x2 – 3x + 4)

A 2X2 – 2X – 2
B 2X2 – 8X + 6
C 3X2 – 2X -2
D 3X2 – 8X + 6

SPI 3103.3.2

Use the discriminant to determine the nature of the roots of 52 – 2+ 1 = 0.

A no real roots
B one real root
C two real roots
D one real and one imaginary root