Intermediate Algebra
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by Emi Iwao
| 5 Questions
1
1 pt
For what value of the constant K does the equation 2x + Kx = 3 have one solution?
2
1 pt
For what value of the consatnt K does the equation Kx2 + 2x = 1 have two real solutions?
3
1 pt
For what value of the constant K does the system of equations 2x - y = 4 and 6x - 3y = 3K have an infinite number of solutions?
4
1 pt
Find M so that the lines with equations -2x + My = 5 and 4y + x = -9 are perpendicular.
5
1 pt
John's annual salary after a raise of 15% is $45,000. What was his salary before the raise?
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