williamdavis12345543 williamdavis12345543

13-01-2021
Mathematics

contestada

Solve for x.
x2 – 13x + 12 = 0
A. x = -12 and x = -1
B. X = -12 and x = 1
C. X= 12 and x = -1
D. X = 12 and x = 1

Respuesta :

pancake1127 pancake1127

13-01-2021

last one is the answer:D. X=12 and X=1

step by step:

d=b2-4ac=169-48=121

x1=(-b+√d)2a=(13+11)2=12

x2=(-b-√d)2a=(13-11)/2=1

X1=12 and X2=1

please give me brainlest❤️

Answer Link

Otras preguntas

Heather is trying to decrease the amount of toys that Oliver has. Originally, he had 55 toys in his room and now he only has 30. By what percentage did Heather

What is somatic nervous system "function"?

1. What is an equation for the line with slope 2/3 and y-intercept 9? 2. What is an equation in slope-intercept form for the line that passes through the points

Number of Mg(OH)2 formula units in 7.40 moles of Mg(OH)2.

What was a significant cause of the 1979 energy crisis that hit America? A. price gouging by OPEC. B. the Iranian Revolution. C. discovery of Alaskan oilfi

What is the most hungriest animal

1. ____ is a suburb of Asuncion known for some nice restaurants. A) San Blas B) San Lorenzo C) San Ignacio D) San Juan 2) The mix of Spanish and Guarani is call

Desert pavement is created as a result of A) abrasion. B)deflation.

A particle is traveling in the positive direction along an x axis, at a constant 5 m/s. Which of the following describes the particle’s acceleration?

the modified by the underlined adverb: _yesterday_, he solemnly asked someone for directions in a fake language