Practice Solution Of A Quadratic Equation By Factorisation (4.3)

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9 questions

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6 questions · about 4 min · pass mark 70%. Hints available.
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3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
Solve the quadratic equation: x² + 6x + 5 = 0.
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Try factoring the equation.
Question 2.
Is the equation 5x² + 2x + 3 = 0 a quadratic equation?
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Check if it fits the form ax² + bx + c.
3Question 3.
What is the standard form of a quadratic equation?
- ax² + bx + c = 0
- a + b + c = 0
- ax + b = 0
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Look for the highest power of x in the options.
4Question 4.
Is the equation 3x² - 4x + 1 = 0 a quadratic equation?
- True
- False
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Check the numbers associated with x².
Question 5.
Design a rectangular garden with a length that is twice its width and an area of 300 m². Find the dimensions.
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Use the area formula, width (x) and length (2x), then set up a quadratic equation.
Question 6.
Find two consecutive integers whose product is 120.
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Let the integers be n and n+1, and set up the equation n(n + 1) = 120.

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