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How do you solve a quadratic inequality eg find the values of x for which x^2 -6x +2 < -3

First we must change our inequality so that we have a zero on one side, In this case we can add three to both sides of the inequality, this gives: x^2 - 6x +5 < 0 Now let's consider the equation y = x^...

IR
Answered by Isobel R. Maths tutor
4395 Views

Please find X. 5x + 2 = 9

5x + 2 = 9 Bring all the numbers which do not include x to the right hand side. 5x = 9 - 2 5x = 7 Now, to find x, 7 should be divided by 5. x = 7 / 5

EA
Answered by Erato A. Maths tutor
2439 Views

What is the world limit when writing the personal statement?

Your personal statement should not be more than 47 lines or 4000 words.

What to include:

  • why you like the course you chose
  • what makes you a suitable candidate
  • what qu...
EA
2682 Views

What is the best way to answer the question to gain full marks in my exam?

(Without having a set question to give advice about!) It is important to begin by dissecting the question, picking up on the key terms to determine what the question is asking of you. Once you have done t...

ND
Answered by Nicole D. Geography tutor
2754 Views

3 shops sell TVs and all 3 are having sales. Here are the three original prices of the TVs and their discounts: X12: £150 (25%), Teli-vise: £235 (1/2 off), Xpert: £60 (with a year of weekly £8 payments). Which TV is the cheapest once discounted.

X12 = £150 x (1-0.25) = £112.50 Teli-vise: £235 / 2 = £117.50 Xpert: £60 + (12 x £8) = £156 Therefore the X12 is the cheapest television after the discount has been applied.

GC
Answered by George C. Maths tutor
4677 Views

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