Question

Evaluate 7 3 4 + ( − 2 1 5 ) x for x = − 10 .

A. − 55 1 2 B.-14 1/4 C. 29 3 4 D. 99 1 2

Answer 1

2884

Explanation:

734 - 215x

734 - 215(-10)

734 + 2150

= 2884

The answer I got isn't one of the choices there.‍♀️‍♀️

Answer 2

2884

Explanation:

Evaluate 7 3 4 + ( − 2 1 5 ) x for x = − 10 .

734 + (-215)x when x = -10

+ × - = - (plus times minus = minus)

Therefore,

734 - 215x

x = -10

so replace x in the equation with -10

734 - 215 × -10

- × - = + (minus times minus = plus)

734 + 2150 =

2884

The options have no correct answer