If m and n are zeros of ax2-5x+c, find a and c when m+n=mn=10

if m and n are zeros, then:

We have:

substitute

substitute the value of a to the second equation:


 

All points to the left of zero on a horizontal number line are negative. a number line is a picture of a graduated straight line that serves as abstraction for real numbers. this number line can be extended to the left to represent numbers which are smaller than 0. such numbers are called negative numbersmark me brainliest

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