5 Questions |
By Seixeiroda | Last updated: Jan 7, 2013
| Total Attempts: 103
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Complete the following questions
Questions and Answers
1.
What is not another name for the root of an equation?
A.
Zeros
B.
X–intercepts
C.
Vertex
D.
Solutions
2.
Determine the solutions of the quadratic equation x^{2} + 4x + 1 = –2
A.
X = 1, x = 4
B.
X = 3, x = –2
C.
X = 2, x = –2
D.
X = –3, x = –1
3.
Which is the corresponding quadratic equation whose solutions are also the zeros of the function graphed below?
A.
X^2 – x + 6 = 0
B.
–x^2 – x + 6 = 0
C.
X^2 + x + 6 = 0
D.
X^2 + x – 6 = 0
4.
The surface area of a right circular cone with a slant height if 5cm can be modelled by the function SA(r)= πr^{2} + 5πr, where SA(r) is the surface area in cm^{2} and r is the radius in cm. What is the root of the function?
A.
0
B.
1
C.
π
D.
5
5.
What are the solutions to the equation f(x) = x^{2} – 25 (hint: think difference of squares)
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