tripandigat tripandigat

23-10-2016
Mathematics

contestada

How do you factor the expression -y^2 9y - 20?

Respuesta :

apologiabiology apologiabiology

25-10-2016

undistribute -1
(-1)(y^2-9y+20)
what multiplies to 20 and adds to -9
-5 and -4
(-1)(x-5)(x-4) or
(5-x)(x-4) or
(x-5)(4+x)

Answer Link

Otras preguntas

4x – 9y = 7 –2x 3y = 4 what number would you multiply the second equation by in order to eliminate the x-terms when adding to the first equation? what number wo

The theory of plate tectonics says that south america broke apart from __________.

Lisa is using the equation x2 (x – 5)2 = 157 to find two numbers that differ by 5 and that have squares that sum to 157. when lisa solves the problem using the

Which of the following is NOT a strategy to prevent falls? A. keeping walking surfaces free from moisture and clutter B. replacing damaged electrical cords C. i

What does this quote mean from Federalist NO. 70 “All men of sense will agree in the necessity of an energetic executive … The ingredients which constitute ener

What is a certification school

If they try to frighten you, don’t listen. don’t listen to scare tactics. what rhetorical strategy is being used in these sentences? parallel structure varying

The mathematical expression 9 T means

What best describes what a story is about?

Which is the BEST literary analysis thesis statement? A. In this story, you will find several examples of foreshadowing used to make the story suspenseful. B