Solve the system of equations by the substitution method. Check your solutions. For any dependent equations, write your answer in the ordered pair form.
A. {(-0.1, -0.1)}
B. {(1, -1)}
C. {(-1, -1)}
D. ?
Answer: C
You might also like to view...
Solve the problem.A cab company charges a base rate of $1.50 plus 15 cents per minute. Let y be the cost in dollars of using the cab for x minutes. Find the slope-intercept form of the equation.
A. y = 0.15x + 1.50 B. y = 0.15x - 1.50 C. y = 1.50x - 0.15 D. y = 1.50x + 0.15
Write the given integers in order from least to greatest.-(-2), 42, -14, -|-6|, |-15|
A. -14, -|-6|, -(-2), |-15|, 42 B. -14, |-15|, -|-6|, -(-2), 42 C. -14, -|-6|, -(-2), 42, |-15| D. |-15|, -14, -|-6|, -(-2), 42
Solve the inequality. Graph the results.x + 9 < 12
A. x ? 3 
B. x < 3
C. x > 3 
D. x ? 3
Select the functions that have identical graphs.(i) y = sin 
(ii) y = cos 
(iii) y = cos 
A. i, ii and iii B. i and ii C. i and iii D. ii and iii