1. Answer true or false to each statement and explain your answers.
a. The straight-line graph of a linear equation slopes upward unless the slope is 0.
b. The value of the y-intecept has no effect on the direction that the straight-line graph of a linear equation slopes.

2. Richard's Heating and Cooling in Prescott, Arizona, charges $55 per hour plus a $30 service charge. Let x denote the number of hours required for a job and let y denote the total cost to the customer.

a. Obtain the equation that expresses y in terms of x.
b. Find b0 and b1.
c. Construct a table for x-values 0.5, and 2.25 hours
d. Draw the graph on a equation that you obtained in part (a) by plotting the points from part (c) and connecting them with a straight line.
e. Apply the graph from part (d) to estimate visually the cost of a job that takes 1.75 hours. Then calculate that cost excately by using the equation from part (a).

3. A ball is thrown straight up in the air with an initial velocity of 64 feet per second (ft/sec). According to the law of physics, of you let y denote the velocity of the ball after x seconds, y=64-32x.
a. Determine b0 and b1 for this linear equation.
b. Determine the velocity of the ball after 1,2,3, and 4 sec.
c. Graph the linear equation y=64-32x, using the four points obtained in part (b)
d. Use the graph from part (c) to estimate visually the velocity of the ball after 1.5 sec. Then calculate that velocity excatly by using the linear equation y=64-32x.

4. For the following three equations,
i). y=30 + 55x (from question 1)
ii). y= -1 + 2x
iii). y= -8 - 4x

a. find the y-intercept and slope
b. determine whether the line slopes upward, slopes downward, or is horizontal, without graphing the equation.
c. use two points to graph the equation

Solution Summary

The solution is a detailed guide on the straight line equation. It explains how to find the slope and y-intercept of the line. It also shows how to graph the line.

1. Graphline with equation y=-4x-2.
2. 2x=8y=17=0
3. Graph the line with slope -2 passing through the point (-3,4).
4. Find slope of the linegraphed (-44, 28) (9, -12).
5. x=9 graph the line
6. 6x-9y+7=0.
7. 2x=5y+3
8. Write an equation of line (0, -4).
9. A line passes through the point (6, -6

Find the slope and y-intercept of the line represented by each of the following equations.
See attached file for full problem description.
Find the slope and y-intercept of the line represented by each of the following equations.
12.
Or 3Y = 2X - 6
Or Y = (2/3) X - 2
Slope = 2/3
y-intercept = -2
Write the eq

1. Find the slope and the y-intercept of the line.
6y + 7x = -7
A) m = -7; b = -7
B) m = ; b = 0
C) m = - ; b = -
D) m = 6; b = 0
2. Decide whether the pair of lines is parallel, perpendicular, or neither.
The line through (-20, 5) and (-4, 7) and the line through and
A) Parallel
B) Perpendicular

HELLO I NEED HELP WITH SOLVING THESE 17 MATH PROBLEMS
1. SLOPE 4.2 AND Y INTERCEPT (0,-5)
THE SLOPE INTERCEPT EQUATION Y
2. X+9=Y
Y-X=-5
WHAT IS THE SLOPE OF THE LINE X-9=Y AND Y-X=-5
3. M=0,(0,9)
THE EQUATION OF THE LINE IS Y
5.GIVE THE FUNCTION H DESCRIBED BY h(x)=x+13 find the following
h(0)=
h(-14)=
h(-1

See attached file for full problem description.
Find the slope and y-intercept:
2x - 3y = 6
Write the equation of the line with given slope and y-intercept. Then graph the line:
slope = -2, y-intercept = (0, 4)
slope = 5, y-intercept = (0, -2)
slope = -3/4, y-intercept = (0, 8)
Match the graph

PLEASE SEE ATTACHED FILE FOR FULLY FORMATTED QUESTIONS
1. Find the slope of the line.
ANSWER:
2. Find the slope of the line that goes through the pair of points: (2, 5), (6, 10).
3. Graph the line through (2, 3) with slope .
4. Draw L1 through (-2, 1) with slope , and draw L2 through (-2, 1) with sl

(See attached file for full problem description)
1. Which of the ordered pairs
(3, 1), (0, -4), (-4, 0), (-3, -7)
are solutions for the equation x - y = 4?
A) (0, -4), (-4, 0), and (-3, -7)
B) (-4, 0) and (-3, -7)
C) (0, -4) and (-3, -7)
D) (3, 1) and (-4, 0)
2. Give the coordinates of the point graphed below.