PSAT Math Practice

If $$3x - 7 = 11$$ , what is the value of $$x$$ ?

Which of the following represents the equation of a line that passes through the points (1,2) and (3,8)?

What is the slope of the line represented by the equation $$2y - 4x = 8$$ ?

If $$f(x) = 2x^2 - 3x + 5$$ , what is $$f(2)$$ ?

The area of a rectangle is 45 square units. If the length of the rectangle is 9 units, what is the width?

In the equation of a circle $$(x - h)^2 + (y - k)^2 = r^2$$ , what does $$r$$ represent?

What is the median of the following set of numbers: 3, 7, 9, 13, 14?

If $$g(x) = x^3 - x$$ , what is $$g(-2)$$ ?

Which of the following is an equation of a parabola that opens upwards and has a vertex at (3, -4)?

What is the interquartile range of the following set of numbers: 1, 3, 5, 7, 9, 11, 13?