Test 2

-2+15i

(2+7i)-(4-8i)

8+4i

(6-2i)(1+i)

z=-6

1/2z+3z=5/3z-11

x=2/3

2/x=3/x+1 + 2/x+1

18/37-3i/37

3/6+i

x=34/5

3/x-2=8/x+6

bounded, mixed

Define the interval for -2≤x<8 as bounded or unbounded. If bounded, define as open, closed, or mixed.

4x²+2x-9=0

Rewrite 2x+4x²=9 in standard form.

x=-4,0

Solve 2|x+2|=4

x=5/a-2

Solve for x: ax=2x+5

x=2,5

Solve x²-3x-10=0

2/6

The denominator of a fraction is 4 more than its numerator. If the fraction equals 1/3, what is the fraction?

a=3, b=-2, c=-11

What are the values for a, b, and c in the equation -2x=-3x²+11?

unequal, rational

What correctly states the types of real solutions for the discriminate 16?

41

What is the imaginary form of √-16?

all real numbers

What is the solution for |3x+20|>-12?

identity

What type of linear equation is x+1=x+1?

complex

What type of number contains both a real part and an imaginary part, for example, 7-3i?

least common denominator

What would a rational equation be multiplied by to clear the equation of fractions?

2+i

When simplifying the expression 3i/2-i, by what would you multiply both the numerator and denominator?

x(x-3)=24

Write an equation for the following problem: "The area of a yard is 24 square feet. If the width is 3 feet less than the length, state the dimensions of the yard."

-i

simplify i¹⁵

(-1,∞)

solve -8x<8 and express the answer as an interval

x=4

solve 3x-4=8

[2,5]

solve 4≤2x≤10 and express the answer as an interval

(-∞,-4)(2,∞)

solve |x+1|>3 and express the answer as an interval

-3±i√23/2

x²+3x+8=0

-4±2√3

x²+8x+4=0

x=±4

x²-15=1

x=3

√3x +1=4

no solution

√5x+5 = √4x +1