Solve.Suppose that y varies directly as the cube of x. If x is tripled, what is the effect on y?
A. It's multiplied by 3.
B. It's multiplied by 9.
C. It's multiplied by 27.
D. It's cubed.
Answer: C
Mathematics
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If s denotes the length of the arc of a circle of radius r subtended by a central angle ?, find the missing quantity.s = 6.6 meters, ? = 3 radians, r = ?
A. 1.1 m B. 0.45 m C. 2.2 m D. 1.6 m
Mathematics
Solve the equation by factoring.x(2x + 4) = 0
A. {0, 2}
B. 
C. {0, -2}
D. 
Mathematics
Graph. Label any intercepts and determine the slope of the line. If the slope is undefined, state this.y = -5
A. y-intercept: (-5, 0), m: undefined
B. y-intercept: (0, 0), m: - 
C. y-intercept: (0, 0), m: -5
D. y-intercept: (0, -5), m: 0
Mathematics
Are the given lines parallel, perpendicular, or neither?
3x- y+ 4= 0 3x+ y+ 8= 0
Mathematics