Unit 2 Extra Credit

Front

What is the solution to the equation |n+5|=21?

Back

n = -26 or n = 16

Front

What does it mean if an equation has NO SOLUTION?

Back

It means there are no values for the variable that can satisfy the equation.

Tags

CCSS.8.EE.C.7A

Front

What is the solution to the equation |3p + 4| - 8 = -6?

Back

The equation has no solution because the absolute value cannot be negative.

Front

Solve the equation p + 3.4 = 8.7.

Back

p = 5.3

Tags

CCSS.6.EE.B.7

Front

What is the definition of an absolute value?

Back

The absolute value of a number is its distance from zero on the number line, regardless of direction.

Tags

CCSS.6.NS.C.7C

Front

How do you solve an absolute value equation like |x| = a?

Back

Set up two equations: x = a and x = -a.

Front

What is the first step in solving the equation |n + 5| = 21?

Back

Isolate the absolute value expression.

Front

What is the solution to the equation |x - 3| = 5?

Back

x = 8 or x = -2.

Front

What does it mean for an equation to have infinitely many solutions?

Back

It means that any value for the variable will satisfy the equation.

Tags

CCSS.8.EE.C.7A

Front

What is the solution to the equation 2x + 3 = 11?

Back

x = 4.

Tags

CCSS.7.EE.B.4A