We appreciate your visit to Quarter Brick High is selling tickets for the school musical On the first day of sales 3 senior citizen tickets and 9 student tickets were. This page offers clear insights and highlights the essential aspects of the topic. Our goal is to provide a helpful and engaging learning experience. Explore the content and find the answers you need!
Answer :
x=$4 cost of senior citizen ticket
y= $7 cost of child ticket
Quadratic equations are the polynomial equations of degree 2 in one variable of type f(x) = ax2 + b x + c = 0 where a, b, c, ∈ R and a ≠ 0. It is the general form of a quadratic equation where ‘a’ is called the leading coefficient and ‘c’ is called the absolute term of f (x). The values of x satisfying the quadratic equation are the roots of the quadratic equation (α, β).
The quadratic equation will always have two roots. The nature of roots may be either real or imaginary.
First day
3x+9y=75/3
x+3y=25 -1
Second Day
8x+5y=67 -2
multiply equation 1 by -8
-8x-24y=-200
add it to equation 2
-24y+5y=-200+67
-19y=-133/-19
y= $7 cost of child ticket
plug value of y in equation1
x+21=25
x=$4 cost of senior citizen ticket
To know more about quadratic equation visit brainly.com/question/17177510
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