Quadratic Vertex Form Quiz

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Vertex form practice

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Lobna Roshdy Abd-Elaziz Elbrolesy

Saudi Arabia

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Quadratic Vertex Form Quiz


Quadratic Vertex Form QuizOnline version Vertex form practice by Lobna Roshdy Abd-Elaziz Elbrolesy 1 Which of the following equations represents a quadratic function in vertex form? a a) y = ax² + bx + c b d) x² + y² = r² c c) y = mx + b d b) y = a( x - h )² + k 2 Identify the vertex of the quadratic function y = 2( x + 3 )² - 5. a c) (3, 5) b b) (-3, -5) c a) (3, -5) d d) (-3, 5) 3 For the quadratic function y = - ( x - 1 )² + 4, does the parabola open upwards or downwards? a d) Cannot be determined b b) Downwards c a) Upwards d c) Neither 4 What is the axis of symmetry for the quadratic function y = 0.5( x - 2 )² + 1? a b) x = -1 b d) x = -2 c a) x = 1 d c) x = 2 5 Given the vertex (0, 2) and a = -3, what is the equation of the quadratic function in vertex form? a d) y = 3(x + 0)² + 2 b a) y = -3(x + 0)² + 2 c c) y = -3(x - 0)² + 2 d b) y = 3(x - 0)² - 2 6 What is the standard form of a quadratic function? a y = a(x^2 + bx) + c b y = a + bx^2 + c c y = ax^2 + bx + c d y = (ax)^2 + b + c 7 In y = ax^2 + bx + c, what does 'a' affect? a horizontal shift only b opening direction and width c constant term only d y-intercept only 8 What is the x-coordinate of the vertex for y = ax^2 + bx + c? a -b/2a b -a/b c -2a/b d b/2a 9 How do you find the y-intercept of y = ax^2 + bx + c? a c b 2c c a d b 10 If a > 0, the parabola opens which way? a upwards b left c downwards d right 11 For y = 2x^2 + 3x - 4, what is the value of a? a -4 b 2 c 3 d 1/2 12 What is the axis of symmetry for y = ax^2 + bx + c? a x = -c/2a b x = -b/2a c x = b/2a d y = -b/2a 13 Complete the square: y = x^2 + 4x + 5 in vertex form. a y = (x-2)^2 + 5 b y = (x+4)^2 - 1 c y = x^2 + 4x - 1 d y = (x+2)^2 + 1 14 Which transformation does a ≠ 1 imply? a Horizontal stretch b Vertical stretch/compression by \|a\| c Horizontal shift d Rotation 15 If a = 0, what happens to y = ax^2 + bx + c? a Becomes constant b Becomes cubic c Undefined d Degenerates to y = bx + c

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Quadratic Vertex Form Quiz

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Download the paper version to play

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Quadratic Vertex Form QuizOnline version

by Lobna Roshdy Abd-Elaziz Elbrolesy

Which of the following equations represents a quadratic function in vertex form?

Identify the vertex of the quadratic function y = 2( x + 3 )² - 5.

For the quadratic function y = - ( x - 1 )² + 4, does the parabola open upwards or downwards?

What is the axis of symmetry for the quadratic function y = 0.5( x - 2 )² + 1?

Given the vertex (0, 2) and a = -3, what is the equation of the quadratic function in vertex form?

What is the standard form of a quadratic function?

In y = ax^2 + bx + c, what does 'a' affect?

What is the x-coordinate of the vertex for y = ax^2 + bx + c?

How do you find the y-intercept of y = ax^2 + bx + c?

If a > 0, the parabola opens which way?

For y = 2x^2 + 3x - 4, what is the value of a?

What is the axis of symmetry for y = ax^2 + bx + c?

Complete the square: y = x^2 + 4x + 5 in vertex form.

Which transformation does a ≠ 1 imply?

If a = 0, what happens to y = ax^2 + bx + c?