SAT Digital Practice #23

Front

What is the sum of the angles in a triangle?

Back

The sum of the angles in a triangle is always 180 degrees.

Front

How do you find the measure of an unknown angle in a triangle?

Back

Subtract the sum of the known angles from 180 degrees.

Front

What is a y-intercept in a graph?

Back

The y-intercept is the point where the graph crosses the y-axis, representing the value of y when x=0.

Front

What does the x-intercept of a function represent?

Back

The x-intercept is the point where the graph crosses the x-axis, representing the value of x when y=0.

Front

Back

Multiply both sides by a, rearrange to form a quadratic equation, and apply the quadratic formula.

Front

What is the probability of an event?

Back

Probability is the measure of the likelihood that an event will occur, calculated as the number of favorable outcomes divided by the total number of possible outcomes.

Front

How do you express probability as a fraction?

Back

Probability can be expressed as a fraction by taking the number of successful outcomes over the total number of outcomes.

Front

What is the formula for finding the x-intercept of a function?

Back

Set the function equal to zero and solve for x.

Front

What is the relationship between the coefficients of a quadratic equation and its roots?

Back

Front

What is the significance of the initial value in a linear graph?

Back

The initial value represents the starting point of the function when x=0.