2ND QUIZ

Which of these diagram is the correct representation of the rectangular coordinate system?

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Which of these two diagram is the correct illustration of x-axis and y-axis?

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Which of the following is a linear equation in two variable?

Which of the following linear equations in two variables is written in standard form?

• 5𝑥 = 7 – 4𝑦

• 𝑥 − 𝑦 = 11

• 6𝑥 − 8𝑦 + 7 = 0

The following statements below are true about linear equation in two variables EXCEPT one.

• The coefficients 𝐴 and 𝐵 can be any real number.

• It can be written in standard form 𝐴𝑥 + 𝐵𝑦 = 𝐶.

• It has no variable in the denominator.

• The degree of the equation is one.

What will be the value of 𝐵 in the equation 3𝑥 − 𝐵𝑦 = 15 if 𝑥 = 4 and 𝑦 = 3?

• −9

• −1

• 1

• 9

In the equation 2𝑥 + 3𝑦 = 7, when 𝑦 = 1, which would be the corresponding value of 𝑥?

• −2

• 0

• 2

• 4

Which equation below satisfies the ordered pair (−2, −7)?

• 2𝑦 = 𝑥 + 17

• 5𝑥 = 12 − 𝑦

• 11𝑥 − 𝑦 = −15

• 10𝑥 + 2𝑦 = 34

On his notes on linear equation in two variables, Joshua found an equation

2𝑥 + 3𝑦 = 10. If you were Joshua, how would you describe the equation according to its form?

• It has constant

• It has variables

• It is in standard form

• It is in slope-intercept form

Which statement below DOES NOT satisfy the definition of linear equation in two variables?

• It has no variable inside a radical sign.

• The equation has variable in the denominator.

• The standard form of the equation is

  𝐴𝑥 + 𝐵𝑦 = 𝐶.

• The highest exponent of the variable in each term is 1.