Solve the equation.
A. 
B. 
C. 
D. 
E. 
Answer: B
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Write an equation for a function that has a graph with the given characteristics.The shape of y = ?x? is reflected across the y-axis. This graph is then vertically stretched by a factor of 3.1. Finally, the graph is shifted 2 units downward.
A. f(x) = 3.1?-x? - 2 B. f(x) = -3.1?x? - 2 C. f(x) = 2?-x? - 3.1 D. f(x) = 3.1?-x? + 2
Solve the equation for y.3x - 10y = -6
A. y = - 
x + 
B. y = 
x + 
C. y = 3x + 11
D. y = 
x - 2
Let x represent the number. Write the English phrase as an algebraic expression.Twice the sum of a number and 9
A. 18 + x B. 9(x + 2) C. 2x + 9 D. 2(x + 9)
Provide an appropriate response.A student was asked to find ordered pairs that solve the system of equations x + 2y = 3 4x + 8y = 12.The student claims that (1, 1) and (-1, 2) are the only solutions. Is the student correct?
A. no B. yes