Use the substitution method to solve the system. 4x + y = 0-4x + y = -8
A. (-1, -4)
B. (-1, 4)
C. (1, -4)
D. (1, 8)
Answer: C
You might also like to view...
Find the surface area of the surface S.S is the area cut from the plane z = 2y by the cylinder x2 + y2 = 64
A. 64
B. 8
?
C. 64
?
D. 16
?
Use the statistical display to answer the question.The midterm test scores for the seventh-period typing class are shown below on a dot plot. 
What is the most frequent score?
A. 98 B. 56 C. 83 D. 89
Provide an appropriate response.A pediatric speech therapist started her own practice in 2004. The function y = 3.2 x + 10.53 models the number of patients she treated each year, where x is the number of years after 2004. The model was found using data for the years between 2004 and 2012. What does the model estimate as the number of patients in 2014? Round to the nearest whole number. Is this interpolation or extrapolation?
A. 45; extrapolation B. 43; extrapolation C. 44; interpolation D. 43; interpolation
Find the axis of symmetry of the quadratic function.f(x) = -7(x - 2)2 - 6
A. x = -2 B. x = -6 C. x = -7 D. x = 2