Decide whether the relation defines a function.4x = 11 - 4y
A. Not a function
B. Function
Answer: B
Mathematics
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Use the square root property to solve the quadratic equation.x2 - 2 = 0
A. ± 
B. 
C. ± 2
D. no real solution
Mathematics
Write a formula for the nth term of the geometric sequence.0.006, 0.12, 2.4, 48, . . .
A. an = 6(20)n B. an = 0.006(20)n - 1 C. an = 0.06(20)n - 1 D. an = 6(0.2)n
Mathematics
Solve the system of equations using matrices.2x - 7y = -19-5x + 4y = 7
A. (-1, -3) B. (1, -3) C. (1, 3) D. (-1, 3)
Mathematics
A formula is given along with the values of all but one of the variables in the formula. Find the value of the variable not given. Round to the nearest hundredth where necessary.I = prt; I = 162, p = 300, r = 0.09
A. 6 B. 43.74 C. 4374 D. 0.6
Mathematics