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Topic 8 Review

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Q 1/29
Score 0
What is the parent function of a quadratic?
29
$y=x^2+x+1$
$y=x$
$y=x^2$
$y=mx+b$

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29 questions

Show answers

Q1
What is the parent function of a quadratic?
$y=x^2+x+1$
$y=x$
$y=x^2$
$y=mx+b$
30s
Q2
Where is the vertex on the quadratic parent function?
x = 0
(1,1)
y = 0
(0,0)
30s
Q3
30s
Q4
Write the equation, in vertex form of a quadratic that has been reflected over the x-axis, translated left one and up two.
$y=\left(-x+1\right)^2+2$
$y=-\left(x+1\right)^2+2$
$y=\left(x+2\right)^2-1$
$y=-\left(x-1\right)^2+2$
45s
Q5
45s
Q6
Write an equation for the pictured graph:
$y=\left(x-3\right)^2+2$
$y=-\left(x+3\right)^2+2$
$y=-\left(x-3\right)^2+2$
$y=\left(-x-3\right)^2+2$
60s
Q7
What is the axis of symmetry on the pictured graph?
x = 3
3
y = 3
45s
Q8
120s
Q9
60s
Q10
Over what interval is f(x) decreasing?
$x\epsilon\left(-\infty,2\right]$
$x\epsilon\left[2,\infty\right)$
$x\epsilon\left(-\infty,2\right)$
$x\epsilon\left(2,\infty\right)$
45s
Q11
What is the domain of f(x)?
$x\epsilon\left[2,\infty\right)$
$x\epsilon\left(-\infty,\infty\right)$
$f\left(x\right)\epsilon\left[2,\infty\right)$
$f\left(x\right)\epsilon\left(-\infty,\infty\right)$
30s
Q12
An a value that is between 0 and 1 does what to the graph of a quadratic?
Widens it
Reflects it over the x-axis
Narrows it
30s
Q13
Based on the shape of the graph, which value of a makes the most sense?
2
6
1/4
1/2
30s
Q14
What is the standard form of a quadratic?
$Ax+By=C$
$y=ax^2+bx+c$
$y=a\left(x-h\right)^2+k$
30s
Q15
120s

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