Practice Introduction (1) - Quadratic Functions - IB 10 Mathematics

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11 questions

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

Question 1.
Solve the equation $x^2 - 6x + 8 = 0$ by factoring.
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Look for two numbers that multiply to 8 and add to -6.
Question 2.
Identify the vertex of the quadratic function $f(x) = x^2 - 4x + 3$ .
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Use the vertex formula \$ x = -\\frac{b}{2a} \$.
3Question 3.
What is a quadratic function?
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It involves the square of a variable.
4Question 4.
The graph of a quadratic function forms a:
- Line
- Circle
- Parabola
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Think of its U-shape.
Question 5.
A company has a profit function modeled by $P(x) = -3x^2 + 18x - 12$ . Determine the maximum profit and the number of units sold.
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Remember the formula for the vertex to find the maximum location.
Question 6.
Given the height function of a projectile as $h(t) = -16t^2 + 32t + 48$ , find when it hits the ground.
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Use the quadratic formula and remember to solve for t.

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