STAAR Review Week 1 Test Grade Repair

Front

What is a function?

Back

A function is a relation between a set of inputs and a set of possible outputs where each input is related to exactly one output.

Front

Which set of values is a function? (9,5) (10,5) (9,-5) (10,-5), (3,4) (4,-3) (7,4) (3, 8), (6,-5) (7, -3) (8, -1) (9, 1), (2, -2) (5, 9) (5, -7) (1, 4)

Back

(6,-5) (7, -3) (8, -1) (9, 1) is a function because no x-value is repeated.

Front

What is the formula for slope?

Back

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

Front

State the slope of the line represented by the equation y = (4/5)x + 2.

Back

Front

Which set of side lengths form a right triangle? 3, 4, 7; 33, 56, 65; 66, 72, 97; 10, 15, 25

Back

33, 56, 65 form a right triangle because they satisfy the Pythagorean theorem: a^2 + b^2 = c^2.

Front

What is the Pythagorean theorem?

Back

Front

Categorize the slope of the line y = -3x + 2.

Back

Negative.

Front

What is simple interest?

Back

Simple interest is calculated using the formula: Interest = Principal × Rate × Time.

Front

If you deposit $5,000 at a 2.5% simple interest rate, how much interest will you earn in three years?

Back

$375.

Front

What is the formula for calculating simple interest?

Back

Interest = Principal × Rate × Time.