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If one root of the quadratic equation x² - 7x + k = 0 is 3, what is the value of k?

B. 9
Posted in:  Quadratic Equations -  Algebra -  Mathematics

Solve the following system of equations using substitution: x + 2y = 8 and 3x - y = 5. What is the value of y?

B. 2
Posted in:  Linear Equations -  Algebra -  Mathematics

Which of the following pairs of equations represents a system that has no solution?

A. X + Y = 5 AND X + Y = 10
Posted in:  Linear Equations -  Algebra -  Mathematics

Which of the following is a factor of the polynomial x^2 - 5x + 6?

A. X - 2
Posted in:  Basic Operations & Factorization -  Algebra -  Mathematics

If the roots of the quadratic equation ax^2 + bx + c = 0 are 3 and 4, what is the value of a if b = -7 and c = 12?

A. 1
Posted in:  Basic Operations & Factorization -  Algebra -  Mathematics