Quadratic equation + expression of a variable from the formula - practice problems - page 3 of 13
Number of problems found: 256
- Determine 4104
Determine the value of x in this equation: (0.125^x) · 104 = 5000 - Determine 3876
Determine the second term and the quotient GP if a3 = 48.6 a1 + a2 = 6 - Natural 3838
Find a natural number whose square root is 27 times its square root. - Radius
Find the radius of the circle with area S = 200 cm². - Diagonal of the rectangle
Calculate the rectangle's diagonal, which area is 54 centimeters square, and the circuit is equal to 30 cm. - Determine 81587
Determine the type of polygon if the number of all diagonals is 90. (Write down the number of its pages.) - The sum 21
The sum of a geometric progression's 2nd and 3rd terms is six times the 4th term. Find the two possible values of the common ratio B. If the second term is eight, the common ratio is positive. Find the first six terms. - A fraction
I think of a fraction. If we increase its numerator and denominator by one, the value of the fraction increases by one-tenth. What fraction do I think? - Roots and coefficient
In the equation 2x² + bx-9 = 0 is one root x1 = -3/2. Determine the second root and the coefficient b. - Integer sides
A right triangle with an integer length of two sides has one leg √11 long. How much is its longest side? - On a line
On a line p : 3 x - 4 y - 3 = 0, determine the point C equidistant from points A[4, 4] and B[7, 1]. - Algebra
If x+y=5, find xy (find the product of x and y if x+y = 5) - Calculate 6414
If we add the same number x to the numbers -1,3,15,51, we get the first four members of the geometric sequence. Calculate the number x and the first four members of the geometric sequence. - 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? - The sum
The sum of the squares of two immediately following natural numbers is 1201. Find these numbers. - Hard cone problem
The cone's surface is 200 cm², and its height is 7 centimeters. Calculate the volume of this cone. - Geometric progressiob
If the sum of four consecutive terms of a geometric progression is 80 and the arithmetic mean of the second and fourth terms is 30, then find terms. - Cuboid walls
Suppose the areas of three adjacent faces of a cuboid are 8 cm², 18 cm², and 25 cm². Find the volume of the cuboid. - Cuboid and eq2
Calculate the volume of a cuboid with a square base and height of 6 cm if the surface area is 48 cm². - Unknown number 4
I think number. When I divided its square root by its 1/9, I got a number 1. What number am I thinking?
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