Solve the equation.8 = 1 + 
n
A. n = 21
B. n = 5
C. n = 
D. n = -21
Answer: A
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Use a grapher to find the vertex or x-intercepts, as indicated, of the quadratic function.Find the x-intercepts of the function f(x) = -14.6x2 - 2.51x + 2.39. Round to two decimal places if needed.
A. (-0.50, 0), (0.33, 0) B. (-0.33, 0), (0.50, 0) C. (1.87, 0), (-0.54, 0) D. (-1.87, 0), (0.54, 0)
Solve the equation using both the addition and multiplication properties of equality.2x - 4 = 92 - 10x
A. {8}
B. {-8}
C. 
D. 
Divide.77.051 ÷ 100
A. 0.77051 B. 7.7051 C. 7,705.1 D. 770.51
Solve.When an object is dropped to the ground from a height of h meters, the time it takes for the object to reach the ground is given by the equation t = 
, where t is measured in seconds. If an object falls 44.1 meters before it hits the ground, find the time it took for the object to fall.
A. 6 seconds B. 9 seconds C. 4 seconds D. 3 seconds