book Maths Puzzle Numerical Ability

translate"the sum of five times the square of y and the square of x into a mathematical expression.

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book Other Question

Please help with this!

sqrt 4x + 1 + 3 = 0

The 4x+1 is inside the radical sign - the +3 = 0 is not.
Thanks
Good Morning,

I need to Graph the equation, identifying the y-intercept and put it on
a graph. I am reading the book but still confused. can you help, thanks

y = 3 - 4x