exam Maths Puzzle Numerical Ability

describe what is meant by an identity of poynomials. How do identites simplify the factoring process and calcuations with poynomials?

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exam Other Question

Find the y-intercept and the x-intercept for an equation.

3x - 2y =6

What is the y-intercept?

What is the x-intercept?

I figured the y-intercept would be (0,3), but I am stuck on what is the x-intercept?
The number 1 is both a smute and thripe. If the integer s is a smute, then the next smute is s+5. If the integer t is a thripe, then the next tripe is 2t+1. What is the SMALLEST whole number GREATER than 1, that is both a smute and a thripe?