The point lies on the line if it satisfies its equation. Substitute x=−2 and y=3 then solve for kk using the equation:

4(−2)+3k(3)=10

−8+9k=10

9k=18

k=2

4(−2)+3k(3)=10

−8+9k=10

9k=18

k=2

Question

asked 2020-11-02

Given linear equation y = 3+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.

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.

asked 2020-12-27

Write the equation of a line perpendicular to \(\displaystyle{y}=\frac{{1}}{{4}}{x}-{5}\) that passes through the point (-1,2)

asked 2020-12-21

Given linear equation 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.

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.

asked 2020-11-20

A line passes through the point (2, 1) and has a slope of \(\frac{-3}{5}\).

What is an equation of the line?

A.\(y-1=\frac{-3}{5}(x-2)\)

B.\(y-1=\frac{-5}{3}(x-2)\)

C.\(y-2=\frac{-3}{5}(x-1)\)

D.\(y-2=\frac{-5}{3}(x-1)\)

What is an equation of the line?

A.\(y-1=\frac{-3}{5}(x-2)\)

B.\(y-1=\frac{-5}{3}(x-2)\)

C.\(y-2=\frac{-3}{5}(x-1)\)

D.\(y-2=\frac{-5}{3}(x-1)\)

asked 2021-02-12

We give linear equations. For each equation,

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.

y=-3

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.

y=-3

asked 2021-01-22

a. Use a graphing calculator to find the equation of the line of best fit for the data below. Let x=8 represent 1998, x=9 represent 1999, and so on.

b. What is the slope of the line of best fit? What does the slope mean in terms of the number of computer and video game units sold?

c. What is the y-intercept of the line of best fit? What does the y-intercept mean in terms of the number of computer and viedo game units sold?

b. What is the slope of the line of best fit? What does the slope mean in terms of the number of computer and video game units sold?

c. What is the y-intercept of the line of best fit? What does the y-intercept mean in terms of the number of computer and viedo game units sold?

asked 2020-11-23

The point E(-7,-24) lies on the circle whose equation is \(\displaystyle{x}²+{y}²={625}\). If an angle is drawn in standard position and its terminal ray passes through E, what is the value of the sine of this angle?

(1) -7

(2) -7/24

(3) -24

(4) -24/25

(1) -7

(2) -7/24

(3) -24

(4) -24/25

asked 2021-01-19

We give linear equations. For each equation,

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.

y=−0.75x−5

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.

y=−0.75x−5

asked 2020-10-31

We give linear equations. For each equation,

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.

y=0.5x−2

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.

y=0.5x−2

asked 2020-11-17

We give linear equations. For each equation,

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.

y=−1+2x

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.

y=−1+2x