Power + quadratic equation - practice problems
Number of problems found: 87
- Primes 2
For what primes p,q,r is true: p²-(q+r)²=647 - Unknown 72884
The square root of an unknown number equals the square of 2. What is the unknown number? - Twice squared
If the square of twice a number is 81, what is the number? Give a positive number x. - Quadratic function
Write the equation of the quadratic function, which includes points A (-1, 10), B (2, 19), C (1,4) - Specify 3808
Specify a number that is 61% less than 10². - Completing square
Solve the quadratic equation: m2=4m+20 using completing the square method - Domains of functions
F(x)=x²-7x and g(x)=5-x² Domain of (fg)(x) is. .. . . The domain of (f/g)(x). .. - Factors
Can the expression 4x ² -47.6x +39.6 be factored into rational factors? - Quadratic equation
Quadratic equation 7x²+bx+c=0 has roots x1 = 67 and x2 = -84. Calculate the coefficients b and c. - Positive 3298
Which positive number equals twice its square? - EQ2
Solve a quadratic equation: 2x²- 2(x-7)²+5x=0 - Square Number
If to a square of integer number add 43, we get the square of the following integer number. What is the original number? - Non linear eqs
Solve the system of non-linear equations: 3x²-3x-y=-2 -6x²-x-y=-7 - Special cube
Calculate the cube's edge if its surface and volume are numerically equal numbers. - Solve: 6632
For n ϵ N solve: 100 = (0.01n)² - Determine 3782
Determine the value of x if x0.5 = 6 - Three members GP
The sum of three numbers in GP (geometric progression) is 21, and the sum of their squares is 189. Find the numbers. - Parabola 3
Find the equation of a parabola with its focus at (0,2) and its vertex at the origin. f: y=x²+bx+c - Given 2
Given g(x)=x²+x+1 where x=t². What is g(t²)? - Rectangle SS
The perimeter of a rectangle is 268 cm, and its diagonal is 99.3 cm. Determine the dimensions of the rectangle.
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