Solve the Linear Equations in Two Variables

What is the slope of the line represented by the equation 3x - 9y = 18?

• -3

• 1/3

• -1/3

• 3

For the equation 5y - 15 = 10x, what is the y-intercept when it is rearranged into slope-intercept form?

• 3

• -3

• 15

• -15

How many variables should be present in the given linear equation in able to consider as an example of Linear Equation in Two Variables?

• Four Different Variables

• Two Identical Variables

• Four Identical Variables

• Two Different Variables

Which of the following is an example of Linear equation in Two Variables?

• x² - 25

• a³ - 27

• 4x = 2y - 9

• x² + 3x + 2

The graph of ax + by + c = 0 is _____

• A straight line parallel to x - axis

• A straight line parallel to y - axis 

• A general straight line

• A line in the 2nd and 3rd quadrant

Variables of linear equation is implicitly raised to

• second power

• four power

• third power

• first power

Example of linear equation involving two variables is

• 7a+8b+9c = 10+5

• 8x = 2+10

• 7x+3y+4z = 20

• 6x+2y = 10

In linear equation 'ax+by = c' a,b and c are considered as

• zero

• real numbers

• constants

• variable

Write an equation in Standard Form.
A store sells t-shirts for $12 each and sweatshirts for $15 each. You plan to spend $120 on t-shirts and sweatshirts.

• 2x + 5y = 120

• 12x + 15y = 120

• 12 + 15y = 2x

• 12x + 15 = 120

To be identified as a Linear Equation, what must be the highest exponential degree of its variable?

• 0

• 1

• 2

• None