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7 questions
• Q1

A quadratic function π¦ = (x+2)2 β 1 is equivalent to which of the following?

y = π₯2 + 2π₯ + 4

y = π₯2 - 2π₯ + 4

y = π₯2 - 4π₯ + 3

y = π₯2 + 4π₯ + 3

45s
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• Q2

The vertex form π¦ = 3(x-1)2 + 2 is transformed to which of the following

function?

y = 3π₯2 - 6π₯ + 5

y = 3π₯2 + 6π₯ + 5

y = 3π₯2 - 3π₯ + 2

y = 3π₯2 + 3π₯ + 2

60s
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• Q3

The quadratic function π¦ = π₯2 + 2π₯ β 1 is expressed in vertex form as

π¦ = (x+1)2 + 1

π¦ = (x+1)2 β 2

π¦ = (x+1)2 + 2

π¦ = (x+1)2 β 1

60s
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• Q4

What is (h,k) of the quadratic function π(x) = 2π₯2 + 3π₯ β 4?

(3/4 , -41/8)

(β3/4 , -41/8)

(3/4 , 41/8)

(β3/4 , 41/8)

60s
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• Q5

The expression 4π₯2 + 12π₯ + 9 can be expressed as which of the following?

(4x+9)2

(2x-3)2

(2x+3)2

(4x-9)2

60s
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• Q6

What is π¦ = β3(x+1)2 + 2 when written in the form π¦ = π₯2 + bx + c?

y = Β β3π₯2 - 6π₯ β 1

y = Β β3π₯2 + 6π₯ β 1

y = Β β3π₯2 + 6π₯ + 1

y = 3π₯2 β 6π₯ + 1

60s
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• Q7

In the quadratic function of π¦ = 2(x-3)2 + 5 , what are the values of (h,k) ?

(-3,5)

(2,-3)

(3,5)

(2,3)

60s
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