Which of the following is the x-intercept of the above shown graph?

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Question 2 of 10

2. Question

A water tank is being filled at a constant rate. The equation V = 10\sqrt t represents the volume of water V, in gallons, in the tank t minutes after it started filling. What will be the volume of water in the tank 9 minutes after it started filling?

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Question 3 of 10

3. Question

Consider the equation 7y + 3 = 31, then what is the value of 4y² – 3y + 8

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Question 4 of 10

4. Question

Given a triangle DEF, if angle D exceeds angle E by 10° and angle F measures 70°, how much is angle D?

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Question 5 of 10

5. Question

What is the best fit for the equation of line shown in the above scatterplot?

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Question 6 of 10

6. Question

What is the product of all the solutions of the equation x² – 40 = 3x(x + 6)?

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Question 7 of 10

7. Question

A boxed cube that has side lengths of 8 cm is formed by an iron sheet. What is the total surface area of the iron sheet used?

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Question 8 of 10

8. Question

A research study measured the reaction times of two groups, Group P and Group Q, to a certain stimulus. The average reaction time for Group P was 250 milliseconds, and for Group Q, it was 320 milliseconds. If Group P had 90 participants and Group Q had 60 participants, what is the overall average reaction time considering both groups?

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Question 9 of 10

9. Question

In a fitness study, the number of calories burned during a workout (y) is dependent on the duration of the workout (x). For each 15 minutes of exercise, the calories burned increase by 75 calories. If no exercise is done, the calorie burn is 50 calories. Which equation represents this relationship?

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Question 10 of 10

10. Question

The value of constant k for a single solution of quadratic equation 5x² – kx + 7 = 0 is: