NECO June/July 2024 - Get offline past questions & answers - Download objective & theory, all in one app 48789
Project Topics and Materials, Post-UTME past questions - Download now or upload yours to get paid
  1. Home
  2. Classroom
  3. Further Mathematics
  4. WAEC 2021
  5. For what range of va...

For what range of values of x is x\(^2\) - 2x - 3 ≤ 0

Further Mathematics
WAEC 2021

For what range of values of x is x\(^2\) - 2x - 3 ≤ 0

  • A. {x: -1 ≤ x ≤ 3}
  • B. { x: -3 ≤ x ≤ 1}
  • C. { x: -3 ≤ x ≤ -1}
  • D. { x: 1 ≤ x ≤ 3}
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Project Topics and Materials, Post-UTME past questions - Download now or upload yours to get paid
NECO June/July 2024 - Get offline past questions & answers - Download objective & theory, all in one app 48789
Correct Answer: Option A
Explanation

Let  x\(^2\) - 2x - 3 = 0;

(x+1)(x-3) = 0

 The zeros of the function are x = -1 and 3

The solution set is { x: -1 ≤ x ≤ 3}

 

Previous Next
Go back to F-maths classroom

Report an Error Ask A Question Download App
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Join your school's WhatsApp group
NECO June/July 2024 - Get offline past questions & answers - Download objective & theory, all in one app 48789
{{ text }}

Contributions ({{ comment_count }})

Please wait...

{{ settings.no_comment_msg ? settings.no_comment_msg : 'There are no comments' }}

Quick Questions

Post your Contribution

Please don't post or ask to join a "Group" or "Whatsapp Group" as a comment. It will be deleted. To join or start a group, please click here

{{ quote.posted_by.display_name }}
{{ settings.form_textarea_description }}
 
Project Topics and Materials, Post-UTME past questions - Download now or upload yours to get paid
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
NECO June/July 2024 - Get offline past questions & answers - Download objective & theory, all in one app 48789
Join your school's WhatsApp group
NECO June/July 2024 - Get offline past questions & answers - Download objective & theory, all in one app 48789
Join your school's WhatsApp group
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Project Topics and Materials, Post-UTME past questions - Download now or upload yours to get paid