Determine whether the equation is a linear equation in two variables.x + 2y = 7
A. yes
B. no
Answer: A
Mathematics
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Simplify the expression.cos(x - y) cos y + sin(x - y) sin y
A. cos(x + 2y) B. cos x C. sin x D. cos(x - 2y)
Mathematics
Provide an appropriate response.Solve the following system of equations using the addition method: x - y = 3 x + y = 5
Fill in the blank(s) with the appropriate word(s).
Mathematics
Plot the ordered pair in the Cartesian plane, and state in which quadrant or on which axis it lies.(-4, 6)
A. Quadrant IV
B. Quadrant III
C. Quadrant II
D. Quadrant I
Mathematics
Add or subtract terms whenever possible.
- 3
- 6
A. -41
B. -9
C. -41
D. -9
Mathematics