SBAC Review - Math 8

Front

Describe the transformation: Reflection over the Y axis

Back

A reflection over the Y axis flips a figure over the Y axis, creating a mirror image.

Front

Write the variable expression for: 5 less than twice the sum of 'x' and 17

Back

2(x + 17) - 5

Front

If 3 pounds of apples cost $5.97, how much would 8 pounds of oranges cost if the price per pound is the same?

Back

$15.92

Front

In the equation y=mx+b, what does 'b' represent?

Back

Y-intercept: The value of y when x=0.

Front

Identify an IRRATIONAL number from the following: √9, 2^3, √2, 14.2536

Back

√2: It cannot be expressed as a fraction.

Front

What is a rotation in geometry?

Back

A rotation is a transformation that turns a figure around a fixed point.

Front

Define a variable expression.

Back

A mathematical phrase that can contain numbers, variables, and operators.

Front

What is the formula for the slope of a line?

Back

Slope (m) = (y2 - y1) / (x2 - x1) for two points (x1, y1) and (x2, y2).

Front

What is the difference between rational and irrational numbers?

Back

Rational numbers can be expressed as a fraction, while irrational numbers cannot.

Front

What does the term 'translation' mean in geometry?

Back

A translation moves a figure from one location to another without changing its shape or orientation.