Solving Quadratic Equations: Quadratic Formula Answers
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Which of the following sources provides the most revenue for local governments?
A
property taxesB
sales taxesC
feesD
other taxes
3
f(x) = [___] x2 + [___] x + [___]
Answer:
-2
4
–3–11 5
A
–3B
–1C
1 55
012
A
0B
1C
26
Determine which functions have two real number zeros by calculating the discriminant, b2 – 4ac. Check all that apply.f(x) = x2 + 6x + 8g(x) = x2 + 4x + 8h(x) = x2 – 12x + 32k(x) = x2 + 4x – 1 p(x) = 5x2 + 5x + 4t(x) = x2 – 2x – 15
A
f(x) = x2 + 6x + 8B
g(x) = x2 + 4x + 8C
h(x) = x2 – 12x + 32D
k(x) = x2 + 4x – 1E
p(x) = 5x2 + 5x + 4F
t(x) = x2 – 2x – 158
What are the values of x in the equation 4x2 + 4x – 3 = 0?
A
x = –1.5, 0.5B
x = –0.5, –1.5C
x =D
x =9
What is true about Marcus’s work? Check all that apply.
A
Marcus should have substituted –10 for b, not 10.B
The denominator should be 1, not 2.C
Marcus should have subtracted 4(1)(25) in the square root.D
This equation, when solved correctly, only has 1 real number solution.E
This equation has 2 real number solutions.11
What are the zeros of the function f(x) = x2 + 8x + 4, expressed in simplest radical form?
A
x = –4 ± 2B
x = –4 ±C
x =D
x =12
–1012
A
–1B
0C
1D
213
What is the purpose of this assignment?
A
to write about famous quotes by Eleanor RooseveltB
to write about a future goal that you hope to achieveC
to write about overcoming an obstacle you had in the pastD
to write about Eleanor Roosevelt’s accomplishments.15
–1012
A
–1B
0C
1D
216
–1012
A
–1B
0C
1D
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