Consider the function y = 14x² – 70x - 84 (a) Find its y-intercept and x-intercepts. (b) Sketch its graph, labelling the axes and intercepts clearly. (c) Hence solve the inequality 14.x2 – 70x – 84 > 0.

Algebra and Trigonometry (6th Edition)
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ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Consider the function y = 14x^2 − 70x − 84 

(a) Find its y-intercept and x-intercepts.
(b) Sketch its graph, labelling the axes and intercepts clearly.
(c) Hence solve the inequality 14x^2 − 70x − 84 ≥ 0

Consider the function y = 14.x2 – 70x – 84
(a) Find its y-intercept and x-intercepts.
(b) Sketch its graph, labelling the axes and intercepts clearly.
(c) Hence solve the inequality 14x² – 70x – 84 > 0.
Transcribed Image Text:Consider the function y = 14.x2 – 70x – 84 (a) Find its y-intercept and x-intercepts. (b) Sketch its graph, labelling the axes and intercepts clearly. (c) Hence solve the inequality 14x² – 70x – 84 > 0.
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