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PSAT-math-test

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94 questions






Y = x2 − 4x + 3 y = x − 1 If (x, y) is a solutio...
y = x2 − 4x + 3 y = x − 1 If (x, y) is a solution to the system of equations above, what is one possible value of the pr...
11 days ago 1 answer(s) 1 votes




X = 1/3 y 154 - 4y = 10x The equations of two lines are show...
x = 1/3 y 154 - 4y = 10x The equations of two lines are shown above. If the lines are graphed in the xy-plane, which of the following ordered p...
11 days ago 1 answer(s) 1 votes


If function f is defined by f(x) = 3x2 − 5x + 4, what ...
If function f is defined by f(x) = 3x2 − 5x + 4, what is f(x − 4) ? A) f(x − 4) = 3x2 − 5x B) f(x...
11 days ago 1 answer(s) 1 votes


The population of squirrels in a park has been doubling ever...
The population of squirrels in a park has been doubling every 15 years. Which of the following statements describes the type of function that best models the...
11 days ago 1 answer(s) 1 votes


V = 4/3 πr3 The formula for the volume of a sphere with r...
v = 4/3 πr3 The formula for the volume of a sphere with radius r is shown above. The radius of the planet Jupiter is about 11 times the ...
11 days ago 1 answer(s) 1 votes


Liquid going through a cooling system is chilled so that its...
Liquid going through a cooling system is chilled so that its temperature decreases at a constant rate from 100°C to 25°C in 5 seconds. Which of the f...
16 days ago 1 answer(s) 1 votes


In the xy-plane the graph of the function q is a parabola. T...
In the xy-plane the graph of the function q is a parabola. The graph intersects the x-axis at (−1, 0) and (r, 0). If the vertex of q occurs at the poin...
16 days ago 2 answer(s) 1 votes