sat-dog

306 items match · Math · Advanced Math

Hard Math · Advanced Math · Nonlinear equations in one variable and systems of equations in two variables · SPR

In the xy-plane, a line with equation 2 y = c for some constant c intersects a parabola at exactly one point. If the parabola has equation y = - 2 x 2 + 9 x , what is the value of c ?

Open
Medium Math · Advanced Math · Nonlinear functions · MCQ figure

  • In quadrant 3:
    • The curve rises sharply to touch the x axis at point (negative 5 comma 0).
    • The curve falls gradually to a relative minimum at point (negative 2 comma negative 11).
    • The curve rises gradually to cross both axes at the origin.
  • In quadrant 1:
    • The curve rises gradually to a relative maximum at point (2.5 comma 21).
    • The curve falls sharply to cross the x axis at point (4 comma 0).
  • In quadrant 4 the curve falls sharply.

Which of the following could be the equation of the graph shown in the xy-plane?

Open
Hard Math · Advanced Math · Nonlinear functions · MCQ

fx= 4 x 2 + 64 x + 262

The function g is defined by gx=fx+5. For what value of x does gx reach its minimum?

Open
Medium Math · Advanced Math · Nonlinear functions · MCQ figure

  • In quadrant 2 the curve falls sharply to cross the x axis at point (negative 1 comma 0).
  • In quadrant 3 the curve falls sharply to cross the y axis at point (0 comma negative 5.5).
  • In quadrant 4:
    • The curve falls gradually to a relative minimum at point (1 comma negative 7).
    • The curve rises sharply to cross the x axis at point (4 comma 0).
  • In quadrant 1:
    • The curve rises sharply to a relative maximum at point (5.5 comma 3).
    • The curve falls sharply to cross the x axis at point (7 comma 0).
  • In quadrant 4 the curve falls sharply. 

The graph of y=fx is shown, where the function f is defined by fx=ax3+bx2+cx+d and a , b , c , and d are constants. For how many values of x does fx=0?

Open
Easy Math · Advanced Math · Equivalent expressions · MCQ

Which expression is equivalent to 11x3-5x3?

Open
Easy Math · Advanced Math · Equivalent expressions · MCQ

Which expression is equivalent to 50x2+5x2?

Open
Easy Math · Advanced Math · Nonlinear functions · MCQ figure

The table shown includes some values of x and their corresponding values of y. Which of the following graphs in the xy-plane could represent the relationship between x and y ?

Open
Hard Math · Advanced Math · Equivalent expressions · SPR

The expression 3x-2319x+6 is equivalent to the expression ax2+bx+c, where a , b , and c are constants. What is the value of b ?

Open
Easy Math · Advanced Math · Equivalent expressions · MCQ

Which expression is equivalent to 20w-4w+3w?

Open
Hard Math · Advanced Math · Equivalent expressions · MCQ

Which expression is equivalent to 4 4 x - 5 - 1 x + 1 ?

Open
Hard Math · Advanced Math · Nonlinear functions · SPR

The function f is defined by fx= x - 6 x - 2 x + 6 . In the xy-plane, the graph of y=gx is the result of translating the graph of y=fx up 4 units. What is the value of g0?

Open
Easy Math · Advanced Math · Equivalent expressions · MCQ figure

Which of the following is equivalent to 3 times, open parenthesis, x plus 5, close parenthesis, minus 6 ?

Open
Easy Math · Advanced Math · Nonlinear equations in one variable and systems of equations in two variables · MCQ figure

  • For the curve in the system:
    • Moving from left to right:
      • The curve passes from quadrant 2 to quadrant 1.
      • In quadrant 2, the curve trends up gradually to point (0 comma 3.25).
      • In quadrant 1, the curve trends up sharply.
    • The curve passes through the following points:
      • (1 comma 3.5)
      • (2 comma 4)
      • (4 comma 7)
  • For the line in the system:
    • The line slants gradually up from left to right.
    • The line passes through the following points:
      • (2 comma 4)
      • (7 comma 7.5)

The graph of a system of a linear equation and a nonlinear equation is shown. What is the solution x,y to this system?

Open
Medium Math · Advanced Math · Nonlinear equations in one variable and systems of equations in two variables · MCQ figure

What is the product of the solutions to the given equation?

Open
Hard Math · Advanced Math · Equivalent expressions · MCQ figure

In the expression above, b and c are positive integers. If the expression is equivalent to x plus b and x is not equal to b, which of the following could be the value of c ?

Open
Medium Math · Advanced Math · Nonlinear equations in one variable and systems of equations in two variables · MCQ figure

What is the solution to the equation above?

Open
Medium Math · Advanced Math · Nonlinear functions · MCQ

A rectangle has a length of x units and a width of x-15 units. If the rectangle has an area of 76 square units, what is the value of x ?

Open
Medium Math · Advanced Math · Nonlinear functions · MCQ

A scientist initially measures 12,000 bacteria in a growth medium. 4 hours later, the scientist measures 24,000 bacteria. Assuming exponential growth, the formula P=C2rt gives the number of bacteria in the growth medium, where r and C are constants and P is the number of bacteria t  hours after the initial measurement. What is the value of r ?

Open
Hard Math · Advanced Math · Nonlinear equations in one variable and systems of equations in two variables · SPR

x - 2 2 = 3 x + 34

What is the smallest solution to the given equation?

Open
Medium Math · Advanced Math · Nonlinear equations in one variable and systems of equations in two variables · SPR figure

If the ordered pair x comma y satisfies the system of equations above, what is one possible value of x ?

Open
Hard Math · Advanced Math · Nonlinear functions · MCQ

A quadratic function models a projectile's height, in meters, above the ground in terms of the time, in seconds, after it was launched. The model estimates that the projectile was launched from an initial height of 7 meters above the ground and reached a maximum height of 51.1 meters above the ground 3 seconds after the launch. How many seconds after the launch does the model estimate that the projectile will return to a height of 7 meters?

Open
Hard Math · Advanced Math · Nonlinear functions · SPR

y = x 2 - 14 x + 22

The given equation relates the variables x and y . For what value of x does the value of y reach its minimum?

Open
Medium Math · Advanced Math · Equivalent expressions · MCQ figure

Which of the following expressions is equivalent to the expression above?

Open
Medium Math · Advanced Math · Equivalent expressions · MCQ

Which expression is equivalent to d-68d2-3?

Open
Medium Math · Advanced Math · Nonlinear equations in one variable and systems of equations in two variables · MCQ figure

An oceanographer uses the equation s equals, three halves p to model the speed s, in knots, of an ocean wave, where p represents the period of the wave, in seconds. Which of the following represents the period of the wave in terms of the speed of the wave?

Open