TracySparkle1
TracySparkle1 TracySparkle1
  • 02-06-2017
  • Mathematics
contestada

help explain question 15 and 16 the answer on side

help explain question 15 and 16 the answer on side class=

Respuesta :

anonymous79
anonymous79 anonymous79
  • 02-06-2017
15) x^2-2x-8=1/4x-1
x^2-2.25x-7=0
4x^2-9x-28=0
(x-4)(4x+7)=0
x-4= 0 or 4x+7=0
x=4 or x= -7/4=-1.75
16) answer hides in the f(x) equation
the trick is to think of the value that will make the (x-4) =0 and and the y value can be directly plugged off from the +c
therefore, ans is x=2 y= 4
(2,4)
Answer Link

Otras preguntas

You roll a standard number cube. Find P(odd). A) 5/6 B) 1/3 C) 2/3 D) 1/2
The figure below shows triangle STU and some of its transformed images on a coordinate gird which of the four triangles was formed by a translation of triangle
What is the value of x? Two lines, labeled m and n, that are parallel to each other. A transversal, labeled t, passes through lines m and n. Four angles are cre
What is the value of x? Two lines, labeled m and n, that are parallel to each other. A transversal, labeled t, passes through lines m and n. Four angles are cre
What integer is located 2 units to the right of -6 on a number line? 0 -8 -4 -2
How can a historian get a better understanding of the causes and historical context of iraq's invasion of Kuwait
Which measurement is equivalent to 5 quarts? 25 cups 40 fl. oz. 10 pints 1.5 gallons
What is one power of the federal government
Which is an accurate description of the growing differences between North and South in the years after 1820? A. The North had more slave laborers
how to write g(x)=2x+3/x+1 in the form of:g(x)=a/x+p +q