Semester Refresher Algebra 1

What is the equation of a line?

• y = mx + b

• y = bx + m

• x = my + b

• x = mb + x

Which variable represents slope in this equation?

y = mx + b

• y

• m

• x

• b

What variable represents y-intercept in this equation?

y = mx + b

• y

• m

• x

• b

What is the slope of this equation?

y = 2x + 3

• 3

• 2

What is the y - intercept of this equation?

y = 2x + 3

• 3

• 2

What is the y - intercept of this line?

• 2

• 3

• -1

What is the slope of this line?

• 2

• 3

• -1

What is the equation of this line?

• y = 2x + 3

• y = 3x + 2

• y = 1/2x + 1/3

Which equation represents a line that has a slope of

 $-\frac{1}{2}$   and passes through the point (0, 2)?

•  $y\ \ =\ -\frac{1}{2}x\ \ +\ 2$  

•  $y\ =\ -\frac{1}{2}x\ +\ 4$  

What is the solution to this equation?

2 + x = 5

• x = 2

• x = 5

• x = 3