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Yr11 Factorising & Quadratic functions

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Last updated 10 days ago
32 questions
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Question 1
1.

Factorise the quadratic equation x^2 + 7x + 10.

Question 2
2.

What is the factorised form of x^2 + 5x + 6?

Question 3
3.

Factorise the quadratic expression x^2 - x - 20.

Question 4
4.

Factorise the following expression: 3x^2 - 12x

Question 5
5.

Rewrite the quadratic equation 3x^2 - 18x = 0 in its factorised form

Question 6
6.

Match the quadratic functions to their factorised forms.

Draggable itemarrow_right_altCorresponding Item
y = x² - 7x + 10
arrow_right_alt
y = (x - 2)(x - 5)
y = x² + 6x + 9
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y = (x + 3)²
y = x² + 2x - 3
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arrow_right_alt
Question 7
7.

Match the quadratic equations with their roots.

Draggable itemarrow_right_altCorresponding Item
x² - 5x + 6 = 0
arrow_right_alt
-2, -5
x² + 7x + 10 = 0
arrow_right_alt
4, -5
x² + x - 20 = 0
arrow_right_alt
arrow_right_alt
Question 8
8.

Determine if the quadratic function f(x) = -x^2 + 4x - 5 is concave up or concave down

Question 9
9.

Find the y-intercept by factorising the equation y = 3x² + 5x - 2.

Question 10
10.

What is the y-intercept of the quadratic function f(x) = x² - 6x + 9?

Question 11
11.

Identify the y-intercept for the quadratic equation y = -2x² + 4x + 1.

Question 12
12.

Determine the y-intercept in the quadratic function y = 5x² - 3x + 7.

Question 13
13.

Find the axis of symmetry for the quadratic function y = x^2 + 2x - 3.

Question 14
14.

What is the axis of symmetry of y = -2x^2 + 8x - 5?

Question 15
15.

Identify the axis of symmetry of the equation y = 3x^2 - 6x + 2.

Question 16
16.

Locate the axis of symmetry for y = -3x^2 + 12x - 7.

Question 17
17.

Find the vertex of the quadratic function y = x^2 + 6x + 8.

Question 18
18.

Identify the vertex of y = -2x^2 + 4x - 3.

Question 19
19.

What are the coordinates of the vertex for the quadratic y = 3x^2 - 18x + 20?

Question 20
20.

Solve for x

Question 21
21.

Solve for x

Question 22
22.

Fully factorise and solve for x

Question 23
23.

Use the quadratic formula to solve:

Question 24
24.

State the discriminant in terms of algebra

Question 25
25.

Determine the number of solutions in the following quadratic:

Question 26
26.

For this quadratic function. Determine the y-intercept and the solutions.

Question 27
27.

Find the equation of the axis of symmetry for this quadratic:

Question 28
28.

Find the coordinates of the vertex for this quadratic:

Question 29
29.

Rewrite this quadratic
in the vertex form

Question 30
30.

A rectangle has length 5cm greater than its width and its area is 84cm^2. Find the dimensions of the rectangle.

Question 31
31.

Two positive numbers differ by 3 and the difference between their reciprocals is 4. Find the exact values of the numbers.

Question 32
32.

In a right angled triangle, the second longest side is 5cm longer than the shortest side, and the hypotenuse is three times the length of the shortest side. Find the exact length of the hypotenuse.

y = (x - 1)(x + 3)
y = x² - x - 2
y = (x - 2)(x + 1)
2, 3
x² - 4x - 5 = 0
5, -1