Algebra STAAR Equivalent Questions

Write the following equation in slope intercept form:

y - 4 = 1/2(x - 4)

• y = 1/2x

• y = 1/2x + 2

• y = 1/2x - 2

• y = 1/2x + 8

What is the equation of the line in slope intercept form given a slope of ⅔ and the point ( 6, 19)

• y = ⅔ x - 15

• y = ⅔ x - 23

• y = ⅔ x + 15

• y = -⅔ x - 7

Write the equation of the line.

• y = -1/3x - 2

• y = 1/3x - 2

• y = 3x - 2

• y = -3x - 2

Given the following table, write the linear equation.

• y = 2x + 7

• y = 4x + 7

• y = 2x + 5

• y = -2x + 5

A person travels by car.  They record their miles driven in a data table.  Calculate the linear regression equation of this data.

• y = 61.93x - 1.79

• y = -1.79x + 61.93

• y = 0.016x + 0.03

• y = 0.03x + 0.016

(7x² - 3x) + (5x² + x + 3)

• 12x² - 2x + 3

• 2x² + 4x + 3

• 12x⁴ + 2x² + 3

• 2x² - 4x - 3

(4a + 6ab - b) + (-2a - ab + 3b)

• 2a + 7ab + 2b

• 6a + 5ab - 2b

• 6a + 7ab + 4b

• 2a + 5ab + 2b

Add the polynomials.

(2xy - 3x² + 4y - 5) + (-3xy + 4y² - 3y + 8)

• -1xy - 3x² + 4y² + 1y + 3

• -1xy + 1x² + 1y + 3

• -1xy + 1y² + 1y + 3

• 1xy + 3x² + 4y² + 1y + 3

• None of these

(5x + x² - 4) - (4x - x² + 6)

• 2x² + x + 2

• x + 2

• 2x² + x - 10

• x - 10

(3x + 4y - 3z) - (2x - 6y + 7z)

• x + 10y - 10z

• -x +10y - 10z

• x -10y - 10z

• -x -10y - 10z