Math Review Q1

What do you call the graph of a linear equation?

• Ellipse

• Hyperbola

• Line

• Parabola

Which is TRUE about a linear equation?

• It is an equation which has two solutions.

• It is an equation having a polynomial of degree 1.

• It is an equation whose graph is a parabola.

• It is an equation having a polynomial of degree 1.

What is the trend of the graph of a linear equation that has a slope of 5?

• The graph is increasing from left to right

• The graph is a horizontal line.

• The graph is a vertical line.   

• The graph is decreasing from left to right.

In the equation Ax + By = C where A and B are not equal to zero is a linear equation in what form?

• Point- slope form

• Slope-intercept form

• Standard form

• Two-point form

What is the equation of a line that passes through the point (−6, 1) with slope 2/3?

• y = (2/3) x -5

• y = (2/3) x - 20/3

• y = (2/3) x + 20/3

• y = (2/3) x + 5

What is the slope of a line if it contains the points (−2, 3) and (2, −3)?

• -3/2

• -2/3

• 2/3

• 3/2

Which of the statements below translates the mathematical equation "4x + 5 = 21"?

• Four x plus five with twenty-one.

• Four x a number increased by five is twenty-one.

• Four times a number increased by five is twenty-one.

• Four times a number diminished by five gives twenty-one.

A multicab passenger is charged P10 for the first 4 km and an additional P2 per succeeding kilometer as fare. What is the cost of a 28-km ride?

• P 46.00

• P 56.00

• P 58.00

• P 66.00

Jonathan is six years older than Joshua. The sum of their ages is 48. Find Joshua’s and Jonathan’s age. What are the steps in solving Joshua and Jonathan’s age in chronological order?

I. Translate the problem into an equation, diagram, or chart.

II. Understand the problem. List all the components and data that are involved.

III. Check to see if the information is used correctly and that the answer makes sense.

IV. Solve the equations you translated based on the given problem.

• I, II, III, IV

• II, IV, I, III

• II, I, III, IV

• II, I, IV, III

A system of linear equations is considered consistent and independent when it has _____________.

• One solution

• Infinitely many solutions

• No Solutions

• None of the above