Problem

L Read the statements carefully and choose the letter of the correct answer.
Ay- $2x^{2}-12x+16$ $cy=3x^{2}-12x-16$ $0.y=3x^{2}+12x.16$
1. Transform y= $3\left(x-2\right)^{2}+45$ Into $omy$ $ax^{2}+bx+$ $ay.3x^{2}-12x.12$ $cy$
2. Rewrite the quadratic function $\left(x\right)=x^{2}+2x-1asf\left(x\right)=c^{\left(x.h\right)+k}1y^{2}+2$ $f\left(x\right)=\left(x+1\right)^{2}-2$ $f\left(x\right)$ $=$ $\left(x+$ $0.f\left(x\right)=\left(x+1\right)^{2}-1$
A. f(x) = (x+1)+1 B.
x+ 2P+2 when written in the form f(x)
3. What is f(x) = -3(
A. fx) = -3x +12x -10 $af\left(x\right)=3x^{2}.12x+10$ $\right)=x^{2}+bx+c7$ $f\left(x\right)=-3x^{2}+12x+10$ $0.f\left(x\right)=-3x^{2}$ $-12x-10$
4. Compare the graphs of f(x) = x and f(x) = x-5 at the right.
A. the graph of flx) = x slides 5 units upward
B. the graph of ff((xx) ) =x slides 5 units downward
C. the graph of = x slides 5 units to the right
D. the graph of f(x) = x slides 5 units to the left
5. The vertex of the quadratic equation
$omf\left(x\right)\times \left(x+1\right)^{2}-2$ $\left(1.2\right)$ $c\left(a,-2\right)$ D. (-1, -2)
A. (1, -2) B. (-1, 2)
6. Which of the following situations does not model quadratic functions?
A. slicing a pizza C. area of a rectangular garden
B. perimeter of a rectangular field D. NBA players having free throws
7. Find the quadratic function illustrated by the given table.
$Ay=.2x^{2+4x+1}$ Cy=-x + 2x +1 -1 1
8. $y=x^{2}+3x+2$ D. y = 2x +x+4 -5 3 1 -5
8. Find the quadratic function whose zeros are 3 and -2.
A. $y=x^{2}+5x+6$ B. $y=x^{2}.x-6$ $cy=x^{2}.x+6$ $0.y=x^{2}.6x-5$
9. Find the quadratic function illustrated by the graph at the right
y=x-2x-3
AB. . y =x + 2x + 3
C.y= 2r - 2x -3
$0.y=2x^{2}+2x+$

7th-9th grade

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Solution

Qanda teacher - RASHMIKA

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Thank you teacher

Qanda teacher - RASHMIKA

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This is very helpful to me

Qanda teacher - RASHMIKA

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