Find the solutions to the system of equations by the addition method.
x + 
y = 3 x - y = -4
A. (3, 8)
B. (-4, 9)
C. (3, 9)
D. (4, 8)
Answer: D
You might also like to view...
For the following pair of equations, predict whether they represent parallel lines, perpendicular lines, or lines that intersect but are not perpendicular.8.4x + 8.1y = 8.7 and 8.1x - 8.4y = 2.1
A. parallel lines B. lines that intersect but are not perpendicular C. perpendicular lines
Solve using addition/subtraction:
Identify the coordinates of each point labeled in the figure. Name the quadrant in which each point lies, or state that the point lies on the x-axis or y-axis.
A. A(-3, 3) in quadrant II; B(5, -2) in quadrant IV B. A(-3, 0) on the x-axis; B(5, -2) in quadrant IV C. A(-3, 0) on the y-axis; B(-5, -2) in quadrant III D. A(3, 0) on the x-axis; B(5, -2) in quadrant IV
Find all zeros of the function and write the polynomial as a product of linear factors.f(x) = 2x4 - 5x3 + 10x2 - 20x + 8
A. f(x) = (2x + 1)(x + 2)(x + 2i)(x - 2i) B. f(x) = (2x - 1)(x - 2)(x + 2i)(x - 2i) C. f(x) = (2x + 1)(x + 2)(x + 2)(x - 2) D. f(x) = (2x - 1)(x - 2)(x + 2)(x - 2)