# Expressions 3

If k(x+6)= 4x

^{2}+ 20, what is k(10)=?### Correct answer:

Tips to related online calculators

Looking for help with calculating roots of a quadratic equation?

#### You need to know the following knowledge to solve this word math problem:

## Related math problems and questions:

- Equation 23

Find value of unknown x in equation: x+3/x+1=5 (problem finding x) - What is 10

What is the measure of the square side whose area is (4x^{2}+ 28x+49) square units? - Intersections 3

Find the intersections of the circles x^{2}+ y^{2}+ 6 x - 10 y + 9 = 0 and x^{2}+ y^{2}+ 18 x + 4 y + 21 = 0 - Trapezoid 15

Area of trapezoid is 266. What value is x if bases b1 is 2x-3, b2 is 2x+1 and height h is x+4 - Expression with powers

If x-1/x=5, find the value of x^{4}+1/x^{4} - Non linear eqs

Solve the system of non-linear equations: 3x^{2}-3x-y=-2 -6x^{2}-x-y=-7 - Square root 2

If the square root of 3m^{2}+22 and -x = 0, and x=7, what is m? - Trapezium internal angles

A trapezium where AB is parallel to CD, has angle A : angle D = 4 :5, angle B = 3x-15 and angle C = 4x+20. Find angle A, B, C and D. - Quadratic equation

Find the roots of the quadratic equation: 3x^{2}-4x + (-4) = 0. - Equation 25

Solve following simple equation: 3/4(x+5)=1/2(x+9) - Domains of functions

F(x)=x^{2}-7x and g(x)=5-x^{2}Domain of (fg)(x) is. .. . . Domain of (f/g)(x). .. - Quadratic function 2

Which of the points belong function f:y= 2x^{2}- 3x + 1 : A(-2, 15) B (3,10) C (1,4) - Intercept with axis

F(x)=log(x+4)-2, what is the x intercept - If the 3

If the 6th term of a GP is 4 and the 10th is 4/81, find common ratio r. - Quadratic function

It is given a quadratic function y = -4x^{2}+5x+c with unknown coefficient c. Determine the smallest integer c for which the graph of f intersects the x-axis at two different points. - Eq2 2

Solve following equation with quadratic members and rational function: (x^{2}+1)/(x-4) + (x^{2}-1)/(x+3) = 23 - Complaints

The table is given: days complaints 0-4 2 5-9 4 10-14 8 15-19 6 20-24 4 25-29 3 30-34 3 1.1 What percentage of complaints were resolved within 2weeks? 1.2 calculate the mean number of days to resolve these complaints. 1.3 calculate the modal number of day