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How many solutions are there for the following system of equations?

y=x²−5x+3 y=x−6

a) 1
b) 2
c) 3
d) 4

User Saboora
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1 Answer

2 votes

Final answer:

The system of equations has one solution, found by equating the two equations, resulting in the quadratic equation x² - 6x + 9 = 0, which factors to (x - 3)(x - 3) = 0, leading to a single solution x = 3. Therefore, the correct answer is option a) 1.

Step-by-step explanation:

To determine how many solutions there are for the system of equations given, we can set the two equations equal to each other, since they both equal y:

y = x² - 5x + 3
y = x - 6

By setting them equal to each other:

x² - 5x + 3 = x - 6

Rearrange the equation by subtracting x and adding 6 to both sides:

x² - 6x + 9 = 0

This is a quadratic equation which can be factored as:

(x - 3)(x - 3) = 0

Therefore, x = 3 is the only solution for x, indicating that there is only one point where the two graphs intersect, hence there is one solution to the system of equations.

Correct answer: (a) 1

User Pangratz
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