Abeka 10th Grade Algebra 2 Test 02

-8x < 8

(-1,∞)

|x + 1| > 3

(-∞,-4)or(2,∞)

(2 + 7i) − (4 − 8i)

-2+15i

i^15

-i

3/6+i

18/37-3i/37

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

2/6

What is the imaginary form of√-16?

4i

Rewrite 2x + 4x^2 = 9 in standard form.

4x²+2x-9=0

(6 − 2i) (1 + i)

8+4i

x^2 + 8x + 4 = 0

A.

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

A. a = 3; b = -2; c = -11

Which of the following correctly states the types of real solutions for the discriminant 16?

A. unequal, rational

Which of the following correctly states the number of solutions for |3x + 20| > -12?

B. all real numbers

Which of the choices correctly translates 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."

B. x(x − 3) = 24

x^2 + 3x + 8 = 0

C.

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

C. 2 + i

What type of interval best describes -2 ≤ x < 8?

D. bounded, mixed

4 ≤ 2x ≤ 10

[2,5]

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

complex

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

identity

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

least common denominator

x^2 − 3x − 10 = 0

x=-2,5

2|x + 2| = 4

x=-4,0

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

x=2/3

√3x +1=4

x=3

3/x-2=8/x+6

x=34/5 OR x=6 4/5

3x − 4 = 8

x=4

√5x+5 =√4x +1

x=4

ax = 2x + 5

x=5/a-2

x^2 − 15 = 1

x=±4

1/2z + 3z = 5/3z − 11

z=-6