1. What is the value of
a
in the equation
3x + 4y = 2
?
A. 0 B. 2 C. 3 D. 4
2. Which of the following is an example of linear equation in two
variables?
A.
3 1
2
x + y = − C.
= 0
y
x
B.
1
2 2
x + y =
D.
x + 3y = −1
3. What is the slope of the line defined by the equation
2
1
y = 3x − ?
A.
2
1
− B.
2
1
C. 2 D. 3
4. What is
y = 9x −10
in standard form?
A.
9x + y = 10
C.
9x + y = −10
B.
9x − y =10
D.
9x − y = −10
5. What does a positive slope imply?
A. The graph increases from left to right
B. The graph increases from right to left
C. The graph is a horizontal line
D. The graph is a vertical line
6. Which is NOT a property of a linear equation in two variables?
A. One of the coefficients a and b must not be equal to 0
B. Both coefficients a and b can be equal to 0
C. The variables are in the power of 1
D. Its graph is a straight line
SUMMATIVE TEST
21
DISCIPLINE • GOOD TASTE • EXCELLENCE
7. Which equation has a slope of 8 and passes through point (0, 2)?
A. = 2 + 8 B. = 8 + 2 C. = −2 + 8 D. = −8 +
8. What is the slope of the line of the equation = −
5
4
− 1 ?
A.
4
5
− B. -1 C.
1
D.
4
5
9. What is the value of
x
in
x + y =11
when y = - 4?
A. -15 B. -7 C. 7 D. 15
10.Which of the following is a solution of
5x − 2y = 11
?
A. (1, 3) B. (-1, -3) C. (-1, 3) D. (1, -3)
11.What is the slope of the line illustrated by the given graph?
A.
2
5
− B.
5
2
− C.
5
2
D.
2
5
12.What is
5x − y = 3
when translated in the form of
y = mx + b
?
A.
y = −5x + 3
C.
y = 5x − 3
B.
y = −5x − 3
D. = 5 + 3
13.Where is point L located if point M is at (-1, -2) and line ML has a slope
of
3
2
?
A. (2, 0) B. (2, -3) C. (-4, 0) D. (-4, 4)
14.In what quadrant should point K lies when point O is at the origin and
line OK has a negative slope?
A. QI B. QII C. QIII D. Both A and C