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- 1. Multiple Choice
What is pair of linear equations in two variables?
a set of two or more linear equations in the same two variables
a polynomial with three terms
set of two linear equations in same two variables
- 2. Multiple ChoiceIn slope intercept form (y=mx+b) what is the "m"?The y-interceptThe x-interceptThe slope (rate of change)A point
- 3. Multiple Choice
The geometrical representation of a linear equation
Straight line
Curve
Parabola
Either (b) or (c)
- 4. Multiple ChoiceWhich equation is written in STANDARD form?y = 1/2x + 2y - 3 = -5(x + 2)-7x + 2y = 93x + 2 = y
- 5. Multiple Choice
To be identified as a Linear Equation, what must be the highest exponential degree of its variable?
0
1
2
None
- 6. Multiple Choice
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
- 7. Multiple Choice
2x+3y=5 is wriiten in what form?
Standard Form
Slope-intercept Form
- 8. Multiple Choice
y = -4x + 7 is written in what form?
Standard Form
Slope-intercept Form
- 9. Multiple Choice
Which of the following is an example of Linear equation in Two Variables?
x2 - 25
a3 - 27
4x = 2y - 9
x2 + 3x + 2
- 10. Multiple ChoiceThe graph of ax + by + c = 0 is _____A straight line parallel to x - axisA straight line parallel to y - axisA general straight lineA line in the 2nd and 3rd quadrant
- 11. Multiple Choice
x + 20 = 100
x = 80
x = -5
x = 20
x = -80
- 12. Multiple Choice
Solve for x:
x = 20
x = 7
x = 10
x = 3
- 13. Multiple ChoiceWhich of the following are written in standard form?y=3x-53x+16=5y2/3 x + 9/13 y = 215x+7y=-12
- 14. Multiple Choice
What does the "b" stand for in y=mx+b?
slope
x-intercept
y-intercept
constant
- 15. Multiple Choice
Variables of linear equation is implicitly raised to
second power
four power
third power
first power
- 16. Multiple Choice
Example of linear equation involving two variables is
7a+8b+9c = 10+5
8x = 2+10
7x+3y+4z = 20
6x+2y = 10
- 17. Multiple Choice
In linear equation 'ax+by = c' a,b and c are considered as
zero
real numbers
constants
variable
- 18. Multiple ChoiceWhat is the definition of a variable?The letter used to represent a quantityThe little number or letter used to raise to a powerThe number in front of a variableThe number with no variable
- 19. Multiple ChoiceWhat is the y-intercept in the equation?
y = 5x - 45-4-54 - 20. Multiple ChoiceWrite 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 = 12012x + 15y = 12012 + 15y = 2x12x + 15 = 120 - 21. Multiple Choice
Which of the following expressions is a linear expression in one variable?
x2 + 1
x + 2y
x3
7x + 5
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