Square (second power, quadratic) + exponentiation - practice problems - page 4 of 5
Number of problems found: 100
- Unknown number
I think number. If I subtract from the twelfth square the ninth square, I get a number 27 times greater than the intended number. What is this unknown number? - Specify 3347
We have a number. If we divide its fourth power by its square, we get the number 0.25. Find this number. - Positive 3298
Which positive number equals twice its square? - Side of a square
What is the length of the side of a square when its area is 64 cm square?
- Substituting 3165
Determine the value of the expression by substituting for the variables a = 5, b = 2, x = 3, y = 1: k = 4ab + 1/2 ab - 14 l = x² + 2xy + y² m = 5b³ - 4b2 - Gp - 80
One of the first four members of a geometric progression is 80. Find its if we know that the fourth member is nine times greater than the second. - Unknown number
Determine the unknown number, which doubles its fourth square is equal to the fifth its square. - Expressions
Find out value of expressions if a = -1, b =2: x=b - 2a - ab y=a³ - b² - 2ab z=a² b³ - a³ b² w=a + b + a³ - b² - Determine 2429
Determine the length of the cube's edge, the volume of which is equal to 60% of the volume of a block measuring 7cm, 8cm, and 6cm.
- Expressions: 2381
Determine the values of the following expressions: a) 3² - (- 4) b) 4-321 c) -32-7 - Sides of the triangle
Calculate triangle sides where its area is S = 84 cm² and a = x, b = x + 1, xc = x + 2 - Cube 6
The volume of the cube is 216 cm³. Calculate its surface area. - TV transmitter
The volume of water in the rectangular swimming pool is 6998.4 hectoliters. The promotional leaflet states that if we wanted all the pool water to flow into a regular quadrangle with a base edge equal to the average depth of the pool, the prism would have - Chord AB
What is the chord AB's length if its distance from the center S of the circle k(S, 92 cm) is 10 cm?
- Digits A, B, C
For the various digits A, B, and C is true: the square root of the BC is equal to the A, and the sum B+C is equal to A. Calculate A + 2B + 3C. (BC is a two-digit number, not a product). - Volume from surface area
What is the volume of the cube whose surface area is 96 cm²? - Geometric sequence
In the geometric sequence is a4 = 20 a9 = -160. Calculate the first member a1 and quotient q. - 3d vector component
The vector u = (3.9, u3), and the length of the vector u is 12. What is, is u3? - Computer
The school purchased the computer 10000. Each year, the price of a computer always depreciates the same percentage as the previous year. After four years, the value of the computer is reduced to 1300. How much percent was the declining price of the comput
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