Find the slope and the y-intercept from the equation of the line. Sketch a graph of the equation.x + y = -6
A. m = -1; y-intercept = -6
B. m = -1; y-intercept = 6
C. m = 1; y-intercept = 6
D. m = 1; y-intercept = -6
Answer: A
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A. (0, ±
)
B. (±8, 0)
C. (±
, 0)
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Provide an appropriate response. Combine the complex numbers: (7 - i) + (-3 + 4i)
A. 6 + i B. -10 - 5i C. 4 - 3i D. 4 + 3i
Write as a proportion.If 3 pounds of steak costs $18, then 4 pounds will cost $24.
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Solve the problem.The sum of three numbers is -4. If the second number is subtracted from the sum of the first and third numbers, the result is 4. If the third number is subtracted from the sum of the first and second numbers, the result is 6. Find the three numbers.[Hint: let x represent the first number, y the second number, and z the third number. Use the given conditions to write and solve a system of equations.]
A. x = 6, y = -4, z = -6 B. x = 5, y = -4, z = -5 C. x = 3, y = -2, z = -5 D. x = 6, y = -3, z = -7