Square + quadratic equation - practice problems
Number of problems found: 263
- Twice squared
If the square of twice a number is 81, what is the number? Give a positive number x. - Evaluate 37
Evaluate the function K(x) = 2x²+3x-2 what is the value of K(½) - Fredrik
Fredrik knows that x² + ax + b = 0 has only one solution, and this is x1 = - 3/2 Find the values of a and b. - A group
A group of young men decides to raise ksh 480,000 to start a business. Before the actual payment was made, four members pulled out, and each of the remaining had to pay an additional ksh 20,000. Determine the original number of members. - A right 3
A right triangle has a perimeter of 300 cm . its hypotenuse is 130cm. What are the lengths of the other sides . - The area 3
The area of a rectangle is given by the expression 4x² + 5x -6. What is the length of the rectangle if its width is x+2? - Width and length
For a particular rectangle, twice the width is 1 meter longer than the length. The area of the rectangle is 153 square meters. What is the perimeter of the rectangle? - Discriminant
Determine the discriminant of the equation: 7x²-x+7=1 - Solve 3
Solve a quadratic equation: (6n+1) (4n-1) = 3n² - Quadratic equation
Find the roots of the quadratic equation: 3x²-4x + (-4) = 0. - The product of the roots
Find the product and the sum of the roots of x² + 3x - 9 = 0 - Quadratic inequation
If 5x + x² > 100, then x is not - Primes 2
For what primes p,q,r is true: p²-(q+r)²=647 - Functions 42201
Y = x² + 4x-2 Quadratic functions Calculate and graph. - Inequality: 33371
Solve the quadratic inequality: -2x² + 4x + 6 - Solve 12
Solve the following quadratic equation: 3/2-(2x-1)²=5/4 - Product
The product of two consecutive odd numbers is 8463. What are these numbers? - Quadratic 21643
Solve the quadratic equation: 2y²-8y + 12 = 0 - Graph move
When y=2x² has moved 2 units to the left and 3 units upward, what is the graph equation? - Roots
Find the quadratic equation absolute coefficient q, that the equation has a real double root and the root x calculate: 5x ² +9x + q = 0
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