If A and B are expressions and AB=0, then A=0 or B=0.
What is Zero-Product Property
100
Which of the following is not a way to solve systems of nonlinear equations?
A. Elimination
B. Factoring
C. Substitution
D. Graphing
B. Factoring
100
(9 + 5i) + (2 + 14i)
What is (11+19i)
100
Solve for x.
x^2 = –25
What is 5i and –5i
100
Is the point (0, 0) a solution to the following quadratic inequality?
y < x^2 + 2x – 6
What is yes (or true)
200
b squared minus 4ac
What is the discriminant
200
Which of the following is considered a pure imaginary unit?
A. 4
B. 3 + 4i
C. 4 - 3i
D. 3i
D. 3i
200
(-2 – 11i) + (-6 + 8i)
What is (-8 – 3i)
200
Solve for x.
x^2 – 5x – 36 = 0
What is x=9 or x=–4
200
Is the point (–2, 3) a solution to the following quadratic inequality?
y ≥ x^2 + 2x + 3
What is yes (or true)
300
i squared is -1
What is an imaginary unit
300
Which of the following would not be a solution to a quadratic function?
A. two real solutions
B. one imaginary solution
C. two imaginary solutions
D. one real solution
B. one imaginary soltuion
300
(7 + 15i) – (-5 – 2i)
What is (12 +17i)
300
Solve for x.
–x^2 + 5x = 2
What is x=5 + sqrt(17) ÷ 2 or x= 5 – sqrt(17) ÷ 2
300
Is the point (1, –5) a solution to the following system of quadratic inequalities?
y < x^2 – 5x + 16
y ≥ x^2 + 2x – 6
What is no (or false)
400
composed of a real number and an imaginary number
What is a complex number
400
If a graph of a quadratic inequality is has a solid line and is shaded below the vertex, which of the following inequality symbols would represent the function?
A. ≤
B. <
C. ≥
D. >
A. ≤
400
(7 + i)(5 + 2i)
What is (33 + 19i)
400
Find the discriminant and number of real solutions.
x^2 – 2x – 9 = 0
What is 40; two real solutions
400
Solve the inequality.
2x^2 + 3x ≤ 2
What is –2 ≤ x ≤ 1/2
500
x-value for which f(x)=0
What is zero of a function
500
What is the vertex of the following quadratic function:
y=x^2+8x+16
A. (-4, 0)
B. (4, 0)
C. (0, 4)
D. (0, -4)
A. (-4, 0)
500
(-6 – 4i)(-9 + 5i)
What is (74 +6i)
500
Find the discriminant, the number of real solutions, and the solution(s) to the quadratic function.
24x = –48 – 3x^2