Priya tells her friend Aarav that she is thinking of a number x. She says: 'When I square my number and subtract seven times the number, I get -12.' Which quadratic equation in standard form describes Priya's number?

Question

Accepted Answer

x^2 - 7x + 12 = 0. Square minus seven times the number equals -12: x^2 - 7x = -12, so x^2 - 7x + 12 = 0.

Priya tells her friend Aarav that she is thinking of a number $x$ .
She says: 'When I square my number and subtract seven times the number, I get -12.'
Which quadratic equation in standard form describes Priya's number?

Step-by-Step Solution

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More Class 10 Standard Form and Roots practice

Priya tells her friend Aarav that she is thinking of a number x.She says: 'When I square my number and subtract seven times the number, I get -12.'Which quadratic equation in standard form describes Priya's number?

Step-by-Step Solution

Master this chapter in 30 minutes a day.

More Class 10 Standard Form and Roots practice

Priya tells her friend Aarav that she is thinking of a number $x$ .
She says: 'When I square my number and subtract seven times the number, I get -12.'
Which quadratic equation in standard form describes Priya's number?