# math

write 3x^2 +8x-25 in the form a(x+h)^2,where a,h and k are real numbers

1. 👍 0
2. 👎 0
3. 👁 26
1. That expression is not a perfect square. You would have to add a constant. Maybe that is the "k" that you left out

3x^2 +8x -25 = 3(x^2 + 8x/3 -25/3)
= 3(x^2 + 8x/3 + 16/9) -25 - 48/9
= 3(x + 4/3)^2 - 123/9

1. 👍 0
2. 👎 0
posted by drwls

## Similar Questions

1. ### Algebra

The vertex of a parabola is at (-2,4), and the x-intercepts are at -6 and 2. Determine the domain and range of the function. a. D: all real numbers R: all real numbers b. D: all real numbers R: y ≤ 4 c. D: -6 ≤ x ≤ 2 R: y

asked by Emma on July 4, 2014
2. ### Algebra

Simplify: Write answers in the form of a + bi, where a and b are real numbers. (3-5i) (8-2i)

asked by Jasmin on June 23, 2009
3. ### Algebra

Simplify: Write answers in the form of a + bi, where a and b are real numbers. a. (1-2i)(1+3i) b. (3-5i)(8-2i)

asked by Breanna on June 22, 2009
4. ### Algebra

Simplify (4 – 5i)(3 + 7i) and write the answer in the form a + bi, where a and b are real numbers.

asked by Jacinta on July 7, 2009
5. ### math

Write 2x^2+6x-5 in the form of a(x+h)^2 +k where a,h,k, are real numbers.(using completing the squares)

asked by Lindsay on December 4, 2012
6. ### helpppp

Write an equation of the line passing through (3,21)and (-4,-35) in the form of A x + B y = C. Where A, B and C are real numbers

asked by wendy on April 26, 2016
7. ### Math

Factor the polynomial as the product of factors that are irreducible over the real numbers. Then write the polynomial in completely factored form involving complex nonreal or imaginary numbers. x^4 + 20x^2 -44=0

asked by Chelsea on January 31, 2012
8. ### Algebra (need help ASAP!!!!)

I didn't get how to do the problem. In my book it says to choose a variable and write an absolute value inequality that represents each set of numbers. Here are the problems I had-- all real numbers less than 2 units from 0 all

asked by Emily on December 14, 2006
9. ### Algebra (need help ASAP!!!!)

I didn't get how to do the problem. In my book it says to choose a variable and write an absolute value inequality that represents each set of numbers. Here are the problems I had-- all real numbers less than 2 units from 0 all

asked by Emily on December 14, 2006
10. ### Math

Write the equation of a function with the following requirements: A domain of all real numbers over 3, a range of all real numbers, an x-intercept of (5,0), and a vertical asymptote at x = 3.

asked by Carl on November 9, 2017

More Similar Questions