Semester Test

Front

Find the slope given these points: (1,2) & (3,4)

Back

The slope (m) is calculated as (y2 - y1) / (x2 - x1) = (4 - 2) / (3 - 1) = 1.

Tags

CCSS.8.EE.B.5

Front

Write a linear equation in the form of y=mx+b for a slope of -2 and y-intercept of 3.

Back

The linear equation is y = -2x + 3.

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

Given the table, write the equation if the slope is 2 and the y-intercept is 6.

Back

The equation is y = 2x + 6.

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

Find the length of the missing side of a triangle if the other two sides are 30 cm and 40 cm using the Pythagorean theorem.

Back

The length of the missing side is 52 cm.

Tags

CCSS.8.G.B.7

Front

Solve for x and y in the equations: y = 2/3x - 2 and y = -x + 3.

Back

The solution is (3,0).

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Front

What is the formula for calculating the slope of a line?

Back

The formula for slope (m) is m = (y2 - y1) / (x2 - x1).

Tags

CCSS.8.EE.B.5

Front

Define a linear equation.

Back

A linear equation is an equation that makes a straight line when graphed, typically in the form y = mx + b.

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Front

What does 'm' represent in the equation y = mx + b?

Back

'm' represents the slope of the line.

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

What does 'b' represent in the equation y = mx + b?

Back

'b' represents the y-intercept of the line.

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

How do you find the y-intercept of a linear equation?

Back

Set x = 0 in the equation and solve for y.