Maths-
SAT
Easy
Question
The graph of a quadratic equation is shown. The system consisting of this equation and the equation y = k, where k is a constant, has two real solutions. Which of the following could be the value of k?
- 0
- 1
- 2
- 3
The correct answer is: 3
Give that y = k and ‘’y = 3’’ (graph intersect at y = 3)
Related Questions to study
maths-
The graph of y = f(x) is shown. What is the value of f(0) ?
The graph of y = f(x) is shown. What is the value of f(0) ?
maths-sat
maths-
The graph of a certain parabola in the xy-plane intersects the y-axis once and the x-axis twice. Which of the following forms of the parabola's equation gives they-value of they-intercept as a constant?
The graph of a certain parabola in the xy-plane intersects the y-axis once and the x-axis twice. Which of the following forms of the parabola's equation gives they-value of they-intercept as a constant?
maths-sat
maths-
What is the graph of the equation 
?
What is the graph of the equation ?
maths-sat
maths-
Which of the following is an equation of a line in the xy-plane that has a slope of 3 and a y-intercept of -2?
Which of the following is an equation of a line in the xy-plane that has a slope of 3 and a y-intercept of -2?
maths-sat
maths-
In the figure, four lines intersect as shown. Which of the following additional pieces of information is sufficient to prove that angle SWR is congruent to angle TVR?
In the figure, four lines intersect as shown. Which of the following additional pieces of information is sufficient to prove that angle SWR is congruent to angle TVR?
maths-sat
maths-
Which of the following linear equations has infinitely many solutions?
Which of the following linear equations has infinitely many solutions?
maths-sat
maths-
The shaded region shown represents all of the solutions for which of the following inequalities?
The shaded region shown represents all of the solutions for which of the following inequalities?
maths-sat
maths-
The graph shows the speed of an object over a period of time. Which is closest to the time, in seconds, it took for the object's speed to change from 4 meters per second to 8 meters per second?
The graph shows the speed of an object over a period of time. Which is closest to the time, in seconds, it took for the object's speed to change from 4 meters per second to 8 meters per second?
maths-sat
maths-
In January 2010, there were 127.8 million jobs in the United States. The number of US jobs increased approximately 0.2 million per month for the next 60 months. Which equation represents this situation, where j is the number of US jobs, in millions, and t is the time, in months, since January 2010?
In January 2010, there were 127.8 million jobs in the United States. The number of US jobs increased approximately 0.2 million per month for the next 60 months. Which equation represents this situation, where j is the number of US jobs, in millions, and t is the time, in months, since January 2010?
maths-sat
maths-
The line shown represents the number of gallons of water in a tank as a function of the number of minutes a pump has been running to empty the water from the tank. How many gallons of water were in the tank when the pump started running?
The line shown represents the number of gallons of water in a tank as a function of the number of minutes a pump has been running to empty the water from the tank. How many gallons of water were in the tank when the pump started running?
maths-sat
maths-
If x + y = 13 and x - y = 2, what is the value of x2 -y2 ?
If x + y = 13 and x - y = 2, what is the value of x2 -y2 ?
maths-sat
maths-
A sample of seawater is 3.5% salt by mass and contains 1,000 grams of salt. Which of the following is closest to the mass, in grams, of the sample of seawater?
A sample of seawater is 3.5% salt by mass and contains 1,000 grams of salt. Which of the following is closest to the mass, in grams, of the sample of seawater?
maths-sat
maths-
|
x |
g(x) |
|
-1 |
-2 |
|
0 |
2 |
|
1 |
0 |
|
2 |
-1 |
|
3 |
1 |
|
x |
g(x) |
|
-1 |
-2 |
|
0 |
2 |
|
1 |
0 |
|
2 |
-1 |
|
3 |
1 |
maths-sat
maths-
A chef plans to cook a maximum of 100 entrees for a dinner party; each entree will include either chicken or fish. The cost of ingredients for each chicken entree is $7, and the cost of ingredients for each fish entree is $9. If no more than $850 can be spent on ingredients for the entrees and the chef cooks c chicken entrees and f fish en trees, which of the following systems best represents the constraints
on c and f?
A chef plans to cook a maximum of 100 entrees for a dinner party; each entree will include either chicken or fish. The cost of ingredients for each chicken entree is $7, and the cost of ingredients for each fish entree is $9. If no more than $850 can be spent on ingredients for the entrees and the chef cooks c chicken entrees and f fish en trees, which of the following systems best represents the constraints
on c and f?
maths-sat
maths-
A biologist grows a culture of bacteria as part of an experiment. At the start of the experiment, there are 75 bacteria in the culture. The biologist observes that the population of bacteria doubles every 18 minutes Which of the following equations best models the number, n, of bacteria t·hours after the start of the experiment?
A biologist grows a culture of bacteria as part of an experiment. At the start of the experiment, there are 75 bacteria in the culture. The biologist observes that the population of bacteria doubles every 18 minutes Which of the following equations best models the number, n, of bacteria t·hours after the start of the experiment?
maths-sat
