Quadratic inequalities and sign intervals: check 1
Difficulty: ★★☆Info
Maths4U Original · Short practice
\(f{\left(x \right)} = 2 x^{2} - 80 x + 750\).
Find the x-coordinate of the minimum.
Enter one exact number or fraction. These checks support non-calculator practice. Give full reasoning separately for written problems.
Quadratic inequalities and sign intervals: review variant 1
Difficulty: ★★☆Info
Maths4U Original · Short practice
\(f{\left(x \right)} = 3 x^{2} - 126 x + 1311\).
Find the x-coordinate of the minimum.
Enter one exact number or fraction. These checks support non-calculator practice. Give full reasoning separately for written problems.
Quadratic inequalities and sign intervals: check 2
Difficulty: ★★☆Info
Maths4U Original · Short practice
\(f{\left(x \right)} = 3 x^{2} - 126 x + 1311\).
Find the minimum value.
Enter one exact number or fraction. These checks support non-calculator practice. Give full reasoning separately for written problems.
Quadratic inequalities and sign intervals: review variant 2
Difficulty: ★★☆Info
Maths4U Original · Short practice
\(f{\left(x \right)} = x^{2} - 44 x + 475\).
Find the minimum value.
Enter one exact number or fraction. These checks support non-calculator practice. Give full reasoning separately for written problems.
Quadratic inequalities and sign intervals: check 3
Difficulty: ★★☆Info
Maths4U Original · Short practice
\(f{\left(x \right)} = x^{2} - 44 x + 475\).
Find the larger root.
Enter one exact number or fraction. These checks support non-calculator practice. Give full reasoning separately for written problems.
Quadratic inequalities and sign intervals: review variant 3
Difficulty: ★★☆Info
Maths4U Original · Short practice
\(f{\left(x \right)} = 2 x^{2} - 92 x + 1026\).
Find the larger root.
Enter one exact number or fraction. These checks support non-calculator practice. Give full reasoning separately for written problems.
Quadratic inequalities and sign intervals: check 4
Difficulty: ★★☆Info
Maths4U Original · Short practice
\(f{\left(x \right)} = 2 x^{2} - 92 x + 1026\).
Find the discriminant.
Enter one exact number or fraction. These checks support non-calculator practice. Give full reasoning separately for written problems.
Quadratic inequalities and sign intervals: review variant 4
Difficulty: ★★☆Info
Maths4U Original · Short practice
\(f{\left(x \right)} = 3 x^{2} - 144 x + 1653\).
Find the discriminant.
Enter one exact number or fraction. These checks support non-calculator practice. Give full reasoning separately for written problems.