MaryanneCanner360
MaryanneCanner360
19-05-2014
Mathematics
contestada
How to factor: k^2-13k+40
Respuesta :
Аноним
Аноним
19-05-2014
[tex]k^2-13k+40\\\\------------------------\\\\-13=-5+(-8)\\\\40=(-5)\cdot(-8)\\\\-------------------------\\\\k^2-13k+40=(k-5)(k-8)[/tex]
Answer Link
kate200468
kate200468
19-05-2014
[tex]k^2-13k+40=k^2-5k-8k+40=k(k-5)-8(k-5)=\\\\=(k-5)(k-8)[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 39+ )
Otras preguntas
Andrea has 3 7/8 yards of purple ribbon, 3.7 yards of pink ribbon and 3 4/5 of blue ribbon. List the numbers in order from least to greatest.
Consider the function f(x)=x^2+5x+2 and the point A(4,2). f′(x) =? Find a formula for the slope of a line passing through point A, and an arbitrary point on th
describe the possible locations, in terms of quadrants or axes, for point A(x,y) if x and y satisfy the following condition A. xy<0 B. xy>0 C. xy=0
A dimensionless quantity (a) never has a unit (b) always has a unit (c) may have a unit (d) does not exist.
Choose the correct form of the possessive for the underlined word. I just opened a savings account at the First Federal Bank Main Street office. (First Federal
What are the advantages and disadvantages of a group medical practice for a physician?
3,000 x 10 is 300,000 right?
Truman’s Executive Order 9981 affected the military by
Bart bought a digital camera with a list price of $219 from an online store offering a 6 percent discount. He needs to pay $7.50 for shipping. What was Bart's t
Jesse is building a spice rack. He cuts three lengths of wood from a 90-centimeter board. The first length is 23.5 centimeters. The second length is 33.3 centim
