Determine if the following is a linear equation in one variable. If not, state why not.5x - 3 = 2x
A. It is not a linear equation in one variable because it is not an equation.
B. It is not a linear equation in one variable because it is nonlinear.
C. It is not a linear equation in one variable because it has more than one variable.
D. It is a linear equation in one variable.
Answer: D
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Solve the problem.Find the distance in kilometers between the cities whose latitudes are given. Assume that the cities are on a north-south line and that the radius of the earth is 6400 km. City E, 39°N and city F, 9°S
A. 3343 km B. 5370 km C. 3351 km D. 5362 km
Use the properties of equality to solve the equation.
= - 
x
A. 
B. 
C. {- 1}
D. 
Write the equation of a polynomial function with the given characteristics. Use a leading coefficient of 1 or -1 and make the degree of the function as small as possible.Touches the x-axis at 0 and crosses the x-axis at 2; lies below the x-axis between 0 and 2.
A. f(x) = -x3 - 2x2 B. f(x) = x3 - 2x2 C. f(x) = -x3 + 2x2 D. f(x) = x3 + 2x2