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PSAT-math-test

3 followers

94 questions


(ax + by )(cx − dy) In the expression above, a, b, c, ...
(ax + by )(cx − dy) In the expression above, a, b, c, and d are non-zero constants and ad = bc. If ac = 18 and bd = 50, what is the value of the...
2 months ago 1 answer(s) 1 votes


In the expression below, a is an integer. 12x2 + ax − ...
In the expression below, a is an integer. 12x2 + ax − 20 If 3x + 4 is a factor of the expression above, what is the value of a...
2 months ago 1 answer(s) 1 votes


Juliene practiced her dance routine for twice as many minute...
Juliene practiced her dance routine for twice as many minutes on Monday as she did on Tuesday. She practiced her routine those two days for a total of 2 hour...
2 months ago 1 answer(s) 1 votes


21x + 14 = 7(3x + a) In the equation above, a is a constant....
21x + 14 = 7(3x + a) In the equation above, a is a constant. For what value of a does the equation have an infinite number of solutions?
2 months ago 1 answer(s) 1 votes


If the equation y = (x − 6)(x + 12) is graphed in the ...
If the equation y = (x − 6)(x + 12) is graphed in the xy-plane, what is the x-coordinate of the parabola’s vertex? If the equation above, where a...
2 months ago 1 answer(s) 1 votes


(x2y3)1/2 (x2y3)1/3 = xa/3ya/2 If the equation above, where ...
(x2y3)1/2 (x2y3)1/3 = xa/3ya/2 If the equation above, where a ...
2 months ago 1 answer(s) 1 votes


In the figure above, which of the following ratios has the ...
2 months ago 1 answer(s) 1 votes


A carpenter has $60 with which to buy supplies. The carpente...
A carpenter has $60 with which to buy supplies. The carpenter needs to buy both nails and screws. Nails cost $12.99 per box, and screws cost $14.99 per box. ...
2 months ago 1 answer(s) 1 votes


A parachute design uses 18 separate pieces of rope. Each pie...
A parachute design uses 18 separate pieces of rope. Each piece of rope must be at least 270 centimeters and no more than 280 centimeters long. What inequalit...
2 months ago 1 answer(s) 2 votes


A line is graphed in the xy-plane. If the line has a positiv...
A line is graphed in the xy-plane. If the line has a positive slope and a negative y-intercept, which of the following points cannot lie on the line? ...
2 months ago 1 answer(s) 1 votes