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SAT Math Practice Question #30220 - SATify | SATify

#30220

linear equations

slopes

coordinate geometry

hard

90 sec

The table above shows the coordinates of three points on a line in the $x y$ -plane, where $s$ and $t$ are constants. If the slope of the line is $- \frac{1}{2}$ , what is the value of $2 s - t$ ?

$x$	$y$
$- 2$	$5$
$s$	$2$
$8$	$t$

• Up to 5 characters (6 if negative). Only numbers, decimal (.), fraction (/), negative (-).
• Fractions must be in lowest terms.
• Mixed numbers must be converted to improper fractions.