Practice Definition And Standard Form (1) - Quadratic Equations - IB 10 Mathematics

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

Question 1.
Identify the standard form of the quadratic equation: 3x² + 2x - 5 = 0.
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Look for ax² + bx + c = 0.
Question 2.
What must 'a' not equal for an equation to be a quadratic?
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Question about defining features of a quadratic.
3Question 3.
What is the standard form of a quadratic equation?
- ax + b = 0
- ax² + bx + c = 0
- a + b + c = 0
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It involves x raised to the second power.
4Question 4.
Is 'a' in a quadratic equation allowed to be zero?
- True
- False
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Consider what makes an equation quadratic.
Question 5.
A toy rocket is launched and its height after t seconds is modeled by the equation h(t) = -4.9t² + 20t + 5. Calculate when it touches the ground.
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Use the quadratic formula to find the roots.
Question 6.
Design a quadratic equation modeling a rectangular garden's area, given the length is 4 meters more than its width, and the area is 96 square meters.
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Set up the equation using area formula (length × width).

5 more questions in this section. Enroll free to practise them all.