Graphing Linear Equations in Standard Form

What happens to the equation ax + by = c when a is zero?

• The equation becomes x = c/a

• The equation becomes y = c/a

• The equation becomes ax = c

• The equation becomes by = c

What type of line does the equation y = b represent?

• Vertical line

• Curved line

• Horizontal line

• Diagonal line

How can you graph the equation x = -2?

• Draw a diagonal line at x = -2

• Draw a horizontal line at x = -2

• Draw a vertical line at x = -2

• Draw a curved line at x = -2

What is the x-intercept of the equation 3x + 4y = 12?

• (12, 0)

• (0, 12)

• (0, 3)

• (4, 0)

How do you find the y-intercept of a linear equation?

• Divide x by y

• Set x to zero and solve for y

• Set y to zero and solve for x

• Multiply x and y

What does the equation 6x + 10y = 180 model in the context of an awards banquet?

• Duration of the banquet

• Cost of the banquet

• Number of tables needed

• Number of chairs needed

What is the y-intercept of the equation 6x + 10y = 180 when x = 0?

• (0, 18)

• (18, 0)

• (0, 180)

• (180, 0)

What is the x-intercept of the equation 6x + 10y = 180?

• (30, 0)

• (0, 30)

• (0, 180)

• (180, 0)

Which of the following is a valid solution for the number of tables at the banquet?

• 15 small tables, 9 large tables

• 0 small tables, 18 large tables

• All of the above

• 30 small tables, 0 large tables

Which tool is used to find accurate integer solutions for graphed equations?

• A protractor

• Desmos

• A calculator

• A ruler