Solve the system by graphing. Check the coordinates of the intersection point in both equations.y = -x - 52y - 5x = 4
A. {(0, -5)}
B. {(-1, -1)}
C. {(0, 2)}
D. {(-2, -3)}
Answer: D
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?Which is the correct answer in unit rate for the following?
A.
?125 miles in 
hours is equivalent to 50 miles per hour.
B.
?150 feet in 10 seconds is equivalent to 15 feet per second.
C.
?275 cm in 5 minutes is equivalent to 45 cm per minute.
D.
?A clock's minute hand moves 90 degrees in 15 minutes. It is equivalent to the minute hand moving 5 degrees per minute.
E.
?A snail travels 4.5 feet in 12 hours, which is equivalent to traveling 
feet per hour.
Solve using the elimination method. Use a graphing calculator to check your answer. 9x - 4y = -4-4x - 2y = -2
A. (-1, 2) B. (0, 1) C. (0, 2) D. No solution
Find the slope and the y-intercept.10x + y = -7
A. m = - 
; b = - 
B. m = -10; b = -7
C. m = - 
; b = - 
D. m = 10; b = -7
Simplify.logaa8
A. 8logaa B. 1 C. 8 D. a8