More About Linear Equations Quiz

What is the equation of the given line in standard form? Use integer coefficients. y = -1.7x + 8.5

17x + 10y = 85

Write an equation of the line, in point-slope form, that passes through the two given points. points: (-2, 15), (9, -18)

(1 pt) y - 15 = -3(x + 2)

What is the equation of the line perpendicular to the line y = 4/9 x - 2 that passes through the point (4,3)?

(1 pt) y = 9/4 x + 12

What are the intercepts of the equation? Graph the equation. 5x + 3y = 15

x-intercept: (3, 0) graph y-intercept: (0,5)

What is the slope of the line that passes through the given points? (3, 2) and (5, 12)

(1 pt) 5

Write an equation of the line, in point-slope form, that passes through the two given points. points: (-2, 15), (9, -18)

(1 pt) y + 8 = 3 (x - 8)

Specialty t-shirts are being sold online for $30 each plus a one-time handling fee of $2.75. The total cost is a function of the number of t-shirts bought. What function rule models the cost of the t-shirts? Evaluate the function for 5 t-shirts.

Correct answer (1 pt) 30t + 2.75; $152.75

The distance traveled at a constant speed is directly proportional to the time of travel. If Olivia traveled 306 miles in 8.5 hours, how many miles will Olivia travel in 9.1 hours at the same constant speed?

Correct answer (1 pt) 327.6 mi

What is an equation of the line in slope-intercept form? m = two-sevenths and the y-intercept is (0, -12)

Correct answer (1 pt) y = 2/7 x- 12

What is the graph of the equation? 2x - y = 2

c

You are trying to compare the Fahrenheit and Celsius scales and you have two examples: Temperature A is 50 degrees Celsius and 122 degrees Fahrenheit. Temperature B is 100 degrees Celsius and 212 degrees Fahrenheit. What graph models the relationship between the Fahrenheit and Celsius scales? What is an equation of the line in slope-intercept form?

c

Find the domain and range of the relation and determine whether it is a function.

domain -4,-1,4,1 range -1,1,4 Yes, the relation is a function.