jacobileelee jacobileelee

18-06-2018
Mathematics

contestada

What is the y intercept of the quadratic function f(x)=(x-8)(x+3)
A) (8,0)
B) (0,3)
C) (0,-24)
D) (-5,0)

Respuesta :

19-06-2018

[tex]f(x)=ax^2+bx+c\\\\\text{The y-intercept}\ (0;\ c)\\\\f(x)=(x-8)(x+3)=(x)(x)+(x)(3)-(8)(x)-(8)(3)\\\\=x^2+3x-8x-24=x^2-5x-24\\\\Answer:\ C)\ (0;\ -24)[/tex]

Answer Link

Otras preguntas

Which statement is true regarding blood transfusions? In the seventeenth century, blood transfusions were rarely done and often fatal; they were outlawed until

It explains all the different countries found in that continent of South America

Question 1 1 pts Write the slope-intercept form of the equation of the line through the given points. 6 6 1) through: (5.-3) and (0, 3) A) y=-x+3 2 B) y=-** 5 2

I need help!!!!! Picture is passage. Question: The primary purpose of this passage is to A. delight. B. convince. C. explain. D. amuse.

In the equation above, kkk is a constant. For what value of kkk are there no solutions to the equation?

In the outline format below, the Arabic numeral 1 represents a(n): II. A. B. 1. a. b. 2. 3

explain the t types of delta

why is it important that the heart and lungs kept healthy

Elena finds that the area of a house on a scale drawing is 25 square inches. The actual area of the house is 2,025 square feet. What is the scale of the drawing

What was the error in this equation?