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QuizΒ by Daphne Joyce Sabado

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- Q1
A quadratic function π¦ = (x+2)

^{2}β 1 is equivalent to which of the following?y = π₯

^{2}+ 2π₯ + 4y = π₯

^{2}- 2π₯ + 4y = π₯

^{2}- 4π₯ + 3y = π₯

^{2}+ 4π₯ + 345sEditDelete - Q2
The vertex form π¦ = 3(x-1)

^{2}+ 2 is transformed to which of the followingfunction?

y = 3π₯

^{2}- 6π₯ + 5y = 3π₯

^{2}+ 6π₯ + 5y = 3π₯

^{2}- 3π₯ + 2y = 3π₯

^{2}+ 3π₯ + 260sEditDelete - Q3
The quadratic function π¦ = π₯

^{2}+ 2π₯ β 1 is expressed in vertex form asπ¦ = (x+1)

^{2}+ 1π¦ = (x+1)

^{2}β 2π¦ = (x+1)

^{2}+ 2π¦ = (x+1)

^{2}β 160sEditDelete - Q4
What is (h,k) of the quadratic function π(x) = 2π₯

^{2}+ 3π₯ β 4?(3/4 , -41/8)

(β3/4 , -41/8)

(3/4 , 41/8)

(β3/4 , 41/8)

60sEditDelete - 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}60sEditDelete - Q6
What is π¦ = β3(x+1)

^{2}+ 2 when written in the form π¦ = π₯^{2}+ bx + c?y = Β β3π₯

^{2 }- 6π₯ β 1y = Β β3π₯

^{2 }+ 6π₯ β 1y = Β β3π₯

^{2 }+ 6π₯ + 1y = 3π₯

^{2}β 6π₯ + 160sEditDelete - 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)

60sEditDelete