1. Multiple Choice. Choose the letter of the correct answer.
1. Cartesian coordinate plane was named after a great mathematician. Who is the person behind it?
A Aristotle
B. Diophantus
C. Pythagoras
D. Rene Descartes
2. What is the x-coordinate or abscissa of the point (-12, 4)2
A-12
3.-4
C. 4
D. 12
3. In what quadrant is (-5. - 11) located?
A Quadrant l
B. Quadrant ll
C. Quadrant IIl
D. Quadrant IV
-4. What is the value of y in the equation y= 3x + 1 if x=2?
A 1
B. 3
C. 5
D. 7
5. Which of the ordered pairs is a solution of x + 3y = 8?
A(-2,-2)
B. (1.-3)
C. (1.3)
D. (2, 2)
6. What do you call the steepness of a line?
A x-intercept
B. y-intercept
C. slope
D. origin
7. Using the graph at the right, what is the slope of the line?
A.???
B.???
C.???
D.???
_8. What is the slope of the line passing through (2, 1) and (6.9)?
A-2
B. 2
C. 4
D. 8
9. Which line has undefined slope?

A.Nasa Picture
B.Nasa picture
с.Nasa Picture
D.Nasa Picture
10. y = 5x - 1 is a linear equation in two variables that is written in the form y = mx + b. What is the slope of the line?
A.-1
B. O
G. 3
D. 5
11. What is the standard form of a linear equation in two variables?
A AX+By = C
B. AX - By = C
C. y=mx+ b
D.???
12 What is the standard form of the linear equation y= 3x - 22
A. 3x + y = -2
B. 3x – 2y = 2
C. 3x – 2y = -2
D. 3x + y = 2
13. Which of the given linear equations is the slope-Intercept form of 5x + 4y= 20?
A???
B.???
C.???
D.???
14. Which is the x-intercept of the line 4x – 3y = 12?
A-3
B.O
C.3
D. 4
15. y=-4x- 5 is written in form y = mx + b. What is the y-intercept of the line?
A-5
B-4
C.O
D. 5​