Exploring Linear Equations and Systems for 8th Grade Math

What is the y-intercept of the equation y = -3x + 6?

• -3

• 3

• 6

• 0

What does the slope of -3/1 in the equation y = -3x + 6 indicate about the line's direction?

• Rises to the right

• Horizontal line

• Rises to the left

• Falls to the right

If a gym membership costs $19.99 initially plus $9.99 per month, what is the total cost for a year?

• $149.87

• $139.87

• $119.88

• $129.87

How many push-ups must Mike do if James does 25 and Mike needs to do at least 10 more?

• 25

• 15

• 45

• 35

Which ordered pair is a solution to the system of equations if substituting into both equations gives correct results?

• (6, 10)

• (-6, 10)

• (6, -10)

• (1, 3)

What is the result when solving the equation 4x + 3 = -13 for x?

• 4

• -4

• -3

• 3

What is the solution for x when solving the equation 2x + y = 4 and y = x - 2 by substitution?

• 2

• 4

• -2

• 0

In a system of equations, what does it mean if you have the same slope but different y-intercepts?

• Infinite solutions

• No solution

• Cannot be determined

• One solution

What is the y-value when the x-value is 2 in the equation y = 2x + 1?

• 5

• 4

• 3

• 6

How do you find the intersection point of two lines using a graphing calculator?

• Use the 'integrate' function

• Use the 'derivative' function

• Calculate manually

• Use the 'intersect' function